General view. Photographer: Archaeological Survey of India.
0000 - Gale Group | NCCO Photography
Xuewei Wang, Ji-Hang Jiang, Shi‐Liang Liu, Yusufjon Gafforov, Li‐Wei Zhou,
... in eastern Eurasia 17.01 million years ago (Mya; 95% highest posterior density: 9.46 to 25.86 Mya), and later extended its distribution to western North ... speciated on Pinaceae in eastern Eurasia 8.78 Mya (9.46 to 25.86 Mya) and then extended its distribution to western North ... on Juniperus przewalskii in eastern Eurasia 3.67 Mya (0.36 to 8.02 Mya) and on Juniperus polycarpos in Central Asia 4.35 Mya (0.94 to 8.37 Mya), respectively. The speciation event of Coniferiporia weirii occurred 4.45 Mya (0.77 to 9.33 Mya) right after ...
Tópico(s): Yeasts and Rust Fungi Studies
2021 - American Phytopathological Society | Phytopathology
Informal group portrait. Photographer: Unknown.
0000 - Gale Group | NCCO Photography
Jiří Kolibáč, Milada Bocáková, James K. Liebherr, Thiboult Ramage, Nick Porch,
... appeared at the end of the Triassic (~210 Mya). The split of Biphyllidae + Byturidae + Phloiophilidae was reconstructed at ~204 Mya, followed by Early Jurassic separation of Trogossitidae (~200 Mya), Acanthocnemidae (~197 Mya), stem Cleridae–Thanerocleridae–Chaetosomatidae (~194 Mya), Peltidae, Lophocateridae, Decamerinae and the melyrid lineage (~191 Mya). Trogossitidae diversified by separation of Kolibacia (~136 Mya) in the Cretaceous, followed by parting Temnoscheila + Nemozoma and Airora + Tenebroides lineages (~113 Mya). Tenebroides radiated ~75 Mya and T. tahiti diverged ...
Tópico(s): Lepidoptera: Biology and Taxonomy
2020 - Oxford University Press | Zoological Journal of the Linnean Society
Ernest Newman, Frederick Grundy, F. W. Wilson, M. J. G. Ritchie, G. K. Chesterton, H. L. Rees, H. G. Minchin, Midleton K. P, Miss. G. E. Jennings, Roland Ratcliffe, Yarborough, W. G. East, Dr. Arthur Somervell, Major W. T. Blake, L. Van Valiet, Sir L. Gouin, A. Montague Jordan, Frank Rutter, A. D. P., Wyndham Lewis, E. G. Pretyman, Edmund Gosse, Sydney W. Carroll, Bard, Mr. John Lewis, Mayfair, Cyril F. Johnston, Merack, Sir Edmund Robbins K. B. E., E. E. Cooper, Spenser Wilkinson, Sir William Joynson Hicks Bt., M. P, T. D. Armour, John Murray (Editor of "Boxing."), Lord Haldane, R. P. S, J. Hartley Manners, E. L. R., Gerald Biss, Hon. J. H. Thomas M. P., Sydney H. Pardon (Editor of Wisden's Almanack), R. J. Barrett Financial Editor, Harold Cox,
... Rome" Garrick Play by J. Hartley Manners. Monday, Mya 3 "Husbands for All" Faree in 3 Acts, ...
1920 - Gale Group | Sunday Times HA GDA
Vasily I. Radashevsky, Victoria V. Pankova, Vasily V. Malyar, Tatiana V. Neretina, Jin-Woo Choi, Seungshic Yum, Céline Houbin,
... with metameric nuchal organs was around 11.1 mya (95% HPD: 5.1-19.0 mya) and that the divergence of the North Atlantic and North Pacific lineages was around 7.9 mya (95% HPD: 4.1-13.3 mya). The North Atlantic lineage was estimated to have diverged 4.8 mya (95% HPD: 2.2-8.6 mya), resulting in the origin of S. cf. bombyx ... isolation and speciation of S. norrisi 1.7 mya (95% HPD: 2.3-1.0 mya), and then by the isolation and speciation of ... uschakowi and S. hakaiensis n. sp. 1.3 mya (95% HPD: 2.0-0.7 mya). The ...
Tópico(s): Marine Ecology and Invasive Species
2020 - Public Library of Science | PLoS ONE
Michael Robson, Tunku Varadarajan, Jon Ashworth, David Cox, Alexander P. Davidson, Andrew Pierce, Christopher Thomas, South Asia Correspondent, Lucy Lawrence, Kathy Lipari, Rob Hughes, Michael Mowbray Silver, Magnus Linklater, Paul Hoggart, Mark Souster, David Rhys Jones, Richard Hobson, James Landale, Political Reporter, Philip Howard, Janet Bush Economics Editor, Michael Binyon, Joanna Bale, Jeremy Kingston, Pippa Considine, George Sivell, Hylton, Clive Davis, Edward Welsh, Bruce Kemble, Peter Foster, Philip Webster and Richard Ford, Kenneth Boyd, Richard Eaton, Simon Wilde, Stewart Tendler, Crime Correspondent, Tom Walker, Kevin Eason, Christine Simpson, Wendy Holden, Raymond Snoddy, Gerald Davies, Joe Joseph, Robert Sheehan, Bridge Correspondent, Mark Seymour-Taylor, Karl Johnston, John O'leary Education Editor, John Hopkins, Golf Correspondent, Stewart Tendler and Stephen Farrell, Dominic Walsh, John O'leary, Education Editor, Raymond Keene Chess Correspondent, John Street, Ross Dunn, Richard Evans, Racing Correspondent, Martin Barrow, Dalya Alberge Arts Correspondent, Peter Waymark, Eric Cicstr, Alan Hamilton, Daniel Johnson, Nicholas Watt, Jenny MacArthur, Gillian Harris, Scotland Correspondent, Michael Clark, John Young, Janet Bush, Marianne Curphey, Insurance Correspondent, Charles Bremner, Bill Linton, Michael Binyon Diplomatic Editor, Luke Clancy, Barry A. Groves, R. J. Roberts, Nigel Williamson, Alan W. Bullett, Gerard Stamp, Paul Durman, P. J. Bull, Susan Karlin, Sydney Friskin, Nicholas Harling, John Hopkins, L. W. Bailey, Jonathan King, Barry Millington, James Pettifer, Richard Miles, Banking Correspondent, Maggie Brown, Adam Jones, Raymond Keene, Alan Lee, Cricket Correspondent, Jennie Bristow, Stefano Hatfield, M. C. Fitzpatrick, Nigel Hawkes, Carl Mortished, International Business Editor, Bronwen Maddox, Deborah Brett, C. Boreham, Cathy Harris, Richard Owen, Damian Whitworth, Martin Fletcher and Audrey Magee, Roger Boyes, Oliver August, Oliver Holt, Football Correspondent, David Hands Rugby Correspondent, Valerie Elliott, Whitehall Editor, Richard Duce, John Allison, John Lloyd, Iola Smith, James Pringle, Chris Parker, Jane Shilling, Brian MacArthur, Alan Tillier, Philip Delves Broughton, Susan Elkin, Matthew Parris, Tom Walker and our Foreign Staff, Caitlin Moran, Richard Ford and Philip Webster, Walter Gammie, Richard Beeston, Brian Glanville, Polly Newton Political Reporter, Richard Miles, David Sinclair, Simon Wright, Fraser Nelson, Michael Binyon, Diplomatic Editor, Mark Henderson, Martin Waller, Michael Horsnell, Lloyd of Berwick, Chris Ayres, Nigel Hawkes Science Editor, Benedict Nightingale, Michael Evans Defence Correspondent, Richard Morrison, Adam Sage and Daniel McGrory, Robin Lodge, David Maddock, Peter Rossiter, John Blashford-Snell, Christine Buckley, Industrial Correspondent,
... Times Legal, Public, Company & Parliamentary Notices Martindale Sidwell Mya than Tint (From our Correspondent): Chinde Wiped out ...
1998 - Gale Group | TDA
... began to radiate ecologically < 1 million yr ago (mya; Lowrey et al., 1995). Argyranthemum species in the ... Islands had a common ancestor roughly 1.5 mya (Francisco-Ortega et al., 1996); and hybrids between ... Silene dioeca and Silene latifolia diverged c. 1 mya (Frajman et al., 2009); and they produce fertile ... et al., 1996), which diverged c. 3.5 mya (Clark et al., 2009). Ipomopsis aggregata and Ipomopsis tenuituba split c. 5 mya (Porter et al., 2010) and their hybrids are ... Senecio squalidus between 2.4 and 4.8 mya (Comes & Abbott, 2001), but produces highly fertile hybrids ...
Tópico(s): Plant Reproductive Biology
2012 - Wiley | New Phytologist
From Frederick Cleary, By Michael Hatfield Political Staff, By Jim Railton, By a Staff Reporter, By Roger Vielvoye Energy Correspondent, From Our Correspondent, From Trevor Fishlock, By Arthur Reed Air Correspondent, By Our Political Staff, From Christopher Walker, From Michael Horsnell, By Our Home Affairs Correspondent, From David Leigh, By Diana Geddes, Patricia Clough, From David Cross, From Dan van der Vat, From Moshe Brilliant, From Our Own Correspondent, From Paul Martin, By David Spanier Diplomatic Correspondent, From Nicholas Ashford, From Patrick Brogan, From David Bonavia, From Peter Strafford, From an Irish Rugby Correspondent, By Geoffrey Green Football Correspondent, From Peter West Rugby Correspondent, By Geoffrey Green, By Neil Allen Boxing Correspondent, From Sydney Friskin, By Michael Seely, By Peter Ryde Golf Correspondent, From Our Rackets Correspondent, By Jim Snow, by Paul Theroux, Harry Golombek, Edward Mayer, David Wade, Alan Blyth, Joan Chissell, William Mann, Max Harrison, John Carter, Roy Hay, Geraldine Norman, Vandyke Price, Caroline Moorehead, Humphry Berkeley, John Blunsden, George Hutchinson, Robert Parker, W. REES DAVIES, , P. E. BROWN, , COLIN BUCHANAN, , C. M. BEDSON, , MARGARET JONES, , P. K. LAWRENCE, , JASMINE MITCHELL, , JOHN THIRKELL, , CAMERON COCHRANE., SUSAN LIDDELL, , R. J. HOLLOWAY, , PETER DAWSON, , STEPHEN HARROW., D. G. WILLIAMS, , AUDREY PEARSON, , ROLAND F. JOHNSTONE, , PHILIP GOODHART, , CHALFONT, , NICOLAS WALTER, , CHRISTIAN CREIGHTON, , PETER FAULKS, , By R. P. C. Hanson, By Philip Howard, By Our Arts Reporter, By Tim Congdon, By Melvyn Westlake, By R. W. Shakespeare, From Frank Vogl, By Our Economics Staff, By Desmond Quigley, By Our Financial Staff, By Clifford Webb, By Our Industrial Editor, By Our Insurance Correspondent, Vera Di Palma, Ross Davies, John Drummond, JD, EDITED BY MARGARET STONE, FE, Eric Brunet, By John Brennan,
... Services tomorrow:, Travel, Entertainments, Services, Saturday Bazaar. Sport: Mya Aye moves up from fifth, Sports in Brief, ...
1976 - Gale Group | TDA
Lei Xie, Ting‐Shuang Yi, Rong Li, Li D, Jun Wen,
... estimated to be at the Eocene (51.2 mya, with 95% HDP: 49.0–54.6 mya), and the crown age of the genus was ... to be at the late Miocene (9.7 mya, with 95% HDP: 3.6–18.1 mya, or 10.6 mya, with 95% HDP: 4.2–19.6 mya). The disjunction between the eastern Asian and the ... American species was dated to be 7.1 mya (95% HDP: 3.1–13.6 mya) or 7.7 mya (95% HDP: 3.4–13.6 mya). Biogeographic analyses incorporating fossils resulted in more equally ...
Tópico(s): Botanical Research and Applications
2010 - Elsevier BV | Molecular Phylogenetics and Evolution
From Our Labour Correspondent, From Our Naval Correspondent, From Our Correspondent, From Our Shipping Correspondent, From Our Special Correspondent, From Our Own Correspondent, From Our Racing Correspondent, From Our Parliamentary Correspondent, From Our United Nations Correspondent, From Our Weather Correspondent, House Hunter., Greville Steel., Yours, C., Bryan Fell. Haverthwaite, Lancashire, Oct. 18., William Wells. House Of Commons, Oct. 16., Cyril Bavin, H. F. Boulind. 37, Perne Road, Cambridge., From Our Tel Aviv Correspondent, Mya Sein, Cecil H. Gilson. Owslebury Vicarage, Winchester., From A Correspondent, By Racine, L. O. Lyne, Major-General. 4, Tenby Mansions, Nottingham Street, W., Oct. 15.,
Births. Marriages. Deaths. Classified Advertising: Opera And Ballet, Personal. News: Farewell To The Kitty Hawk First Plane Returning To U.S., "No Spirit ...
1948 - Gale Group | TDA
Matthias H. Hoffmann, Martin Röser,
... the Middle Eocene (c. 45 million yr ago (mya)) when temporary ice sheets formed (Moran et al., ... of the Greenland ice shield c. 3.2 mya corresponds with the emergence of patches of the ... with their nonarctic congeners (A. filiformis, c. 11 mya; A. septentrionalis, c. 5 mya; A. chamaejasme, c. 1 mya). By contrast, the small radiation in Douglasia (syn. ... Douglasia dates between 3.89 and 0.91 mya. The lower limit is close to the estimate ... the arctic clade was dated between 1.86 mya and 0.39 mya – clearly younger than the ...
Tópico(s): Botany and Plant Ecology Studies
2009 - Wiley | New Phytologist
Małgorzata Jarmuż‐Szymczak, Caron D. Glotzbach, Kristen A. Bailey, Ruma Bandyopadhyay, Lisa G. Shaffer,
... group 2 evolving 16–23 million years ago (MYA) and the more recent group 1 sequences emerging ∼4.5 MYA. We also show the relative order of emergence ... group 2 evolving 16–23 million years ago (MYA) and the more recent group 1 sequences emerging ∼4.5 MYA. We also show the relative order of emergence ... humans from apes, ∼4.5 million years ago (MYA).Table 4FISH Results for Four Subfamilies of SatIII ... appeared suddenly in the Hominoidea lineage ∼16–23 MYA. In addition, pR-1 did not appear until the divergence of orangutan and gorilla, ∼7–10 MYA. pE-2 is the youngest group 2 subfamily, ...
Tópico(s): RNA and protein synthesis mechanisms
2007 - Elsevier BV | The American Journal of Human Genetics
Céline Poux, Ole Madsen, Elisabeth Marquard, David R. Vieites, Wilfried W. de Jong, Miguel Vences,
... lemurs colonized Madagascar between 60 million years ago (Mya) (split from lorises) and 50 Mya (lemur radiation) (70–41 Mya taking 95% credibility intervals into account), tenrecs between 42 and 25 Mya (50–20 Mya), carnivorans between 26 and 19 Mya (33–14 Mya), and rodents between 24 and 20 Mya (30–15 Mya). These datings suggest at least two asynchronous colonization ... hypothesized to have existed between 45 and 26 Mya, but the second scenario cannot be ruled out ...
Tópico(s): Amphibian and Reptile Biology
2005 - Oxford University Press | Systematic Biology
Pia Ballweber, Jürgen Markl, Thorsten Burmester,
... in evolution, more than 500 million years ago (MYA), 1The abbreviations used are: MYAmillion years agoMALDI-TOFmatrix- ... mutations per site and was completed about 420 MYA (5.Burmester T. Mol. Biol. Evol. 2001; 18: ... basis that Merostomata and Arachnida separated about 450 MYA (5.Burmester T. Mol. Biol. Evol. 2001; 18: ... that the Merostomata and Arachnida diverged about 450 MYA in the Ordovician period (31.Dunlop J.A. ... subunit g (EcaHc-g) occurred around 279 ± 5 MYA (Fig. 6). CsaHc-1 and the precursor of the other Cupiennius subunits split 186 ± 10 MYA. Subunit CsaHc-4 diverged 127 ± 5 MYA, CsaHc- ...
Tópico(s): Physiological and biochemical adaptations
2002 - Elsevier BV | Journal of Biological Chemistry
Heather L. Hunt, Lauren S. Mullineaux,
... of recruitment. We used the soft shell clam Mya arenaria as a model organism to compare the ... below which spatial variation in abundance of juvenile Mya is hydrodynamically controlled and above which abundance is ... we examined transport and predation of early juvenile Mya in Barnstable Harbor, Massachusetts, USA. A caging experiment ... on the density and size distribution of juvenile Mya within a few weeks of settlement and disproportionately ... crab Carcinus maenas changed the size distribution of Mya but did not significantly affect abundance. We attributed ...
Tópico(s): Marine Bivalve and Aquaculture Studies
2002 - Wiley | Limnology and Oceanography
Peter Möller, Rutger Rosenberg,
... recruitment, biomass, growth, and production of the bivalves Mya arenaria L. and Cardium edule L. were studied ... and a tidal amplitude of 0.1 m. Mya and Cardium spats colonized the bottoms in vast numbers in June. Mya reached maximum means of between 13 000–458 ... local maximum 950 000 ind. · m−2) of Mya in 1979 followed the coldest winter recorded during ... was a consequence of the exceptional recruitment of Mya that year. The following year this strong 1979 year class of Mya, however, most probably depressed the abundance, biomass and ...
Tópico(s): Marine Biology and Ecology Research
1983 - Taylor & Francis | Ophelia
... SHOOT OF XANTHIUM PENNSYLVANICUM IN RELATION TO PHOTOPERIODISM Mya Mya Thein, Mya Mya Thein Department of Botany, University of Rangoon, Rangoon, ... illustrations.Search for more papers by this author Mya Mya Thein, Mya Mya Thein Department of Botany, University of Rangoon, Rangoon, ...
Tópico(s): Plant and Fungal Species Descriptions
1957 - Wiley | American Journal of Botany
Dillys Larbi, Elia Gabarrón, Kerstin Denecke,
... tools for a large population. We have developed MYA, a Telegram-based chatbot for increasing physical activity. ... this study was to assess the usability of MYA. To identify usability issues, we recruited volunteers and asked them to interact with MYA and to answer the Chatbot Usability Questionnaire. Thirty volunteers participated in the study, 83.3% agreed MYA was welcoming during initial setup and 63.3% agreed MYA was very easy to use. MYA was perceived as realistic and engaging, easy to ... 53.3%). However, 63.3% of respondents agreed MYA failed to recognize most of their inputs, and ...
Tópico(s): Impact of Technology on Adolescents
2021 - IOS Press | Studies in health technology and informatics
... very likely emerged during the Cryogenian around 680 Mya. The origin of the subclass Rhynchostomatia is dated to about 415 Mya, while that of the subclass Haptoria to about 654 Mya. The order Pleurostomatida, emerging about 556 Mya, was recognized as the oldest group within the ... order Spathidiida appeared in the Paleozoic about 442 Mya. The three remaining haptorian orders evolved in the Paleozoic/Mesozoic periods: Didiniida about 419 Mya, Lacrymariida about 269 Mya, and Haptorida about 194 Mya. The subclass Trichostomatia ...
Tópico(s): Genomics and Phylogenetic Studies
2015 - Elsevier BV | European Journal of Protistology
Charles W. Walker, S. Anne Böttger, Ben Low,
In nature the soft shell clam Mya arenaria develops a fatal neoplasm that shares molecular similarity with an unrelated group of human cancers. In leukemic clam hemocytes, wild-type ... cytoplasmic sequestration. In nature the soft shell clam Mya arenaria develops a fatal neoplasm that shares molecular ... 1173-1177PubMed Google Scholar The soft shell clam Mya arenaria displays a fatal leukemia at multiple sites ... of five pathological conditions in soft-shell clams, Mya arenaria, from environments with various pollution histories.Mar ...
Tópico(s): Cancer-related Molecular Pathways
2006 - Elsevier BV | American Journal Of Pathology
... it shared most recent common ancestry 5.4 MYA with D. simulans, 12.6 MYA with D. erecta+D. orena, 12.8 MYA with D. yakuba+D. teisseri, 35.6 MYA with the takahashii subgroup, 41.3 MYA with the montium subgroup, 44.2 MYA with the ananassae subgroup, 54.9 MYA with the obscura group, 62.2 MYA with the willistoni group, and 62.9 MYA with the subgenus Drosophila. These and other estimates ...
Tópico(s): Evolution and Genetic Dynamics
2003 - Oxford University Press | Molecular Biology and Evolution
Two genera, Mya, a pelecypod, and Neptunea, a gastropod, were selected as vehicles for a study of late Tertiary to Recent ... size, and because they have unlike larval stages; Mya has small currentborne pelagic larvae, and Neptunea has ... benthonic larvae.This report considers chiefly the genus Mya but also includes a general discussion of Arctic ... Miocene) Stage.All known species of the genus Mya are defined and delimited, and an attempt is ... have been illustrated elsewhere.The geographical distribution of Mya is treated from an evolutionary and migrational standpoint. ...
Tópico(s): Marine Biology and Ecology Research
1965 - United States Government Publishing Office | USGS professional paper
Peng He, Yuzhou Zhang, Guanghui Xiao,
... genomes diverged about 5–10 million years ago (MYA), while Gossypium allopolyploid (AD) species emerged in the last 1–2 MYA, resulting from polyploidization (Li et al., 2015Li F. ... the D5 genome about 1.0–1.6 MYA, and that two A genomes (A1 and A2) ... from a shared ancestor A0 approximately 0.7 MYA (Figure 1). After interspecific hybridization and genome doubling ... into five species within 0.20–0.63 MYA (Figure 1). The genomes of these species were ... allotetraploid ancestor emerged approximately 1.0–1.6 MYA by the interspecific hybridization between the A0 genome ...
Tópico(s): Plant and Fungal Interactions Research
2020 - Elsevier BV | Molecular Plant
Cassandra N. Glaspie, Rochelle D. Seitz,
In Chesapeake Bay, the soft-shell clam Mya arenaria (thin-shelled, deep-burrowing) exhibits population declines when predators are active, and it persists at low densities. In contrast, the hard clam ... distributions of bivalves in a field caging experiment (Mya only) and laboratory mesocosm experiments (both species). In ... responsible for most of the mortality of juvenile Mya. In mesocosm experiments, Mya had lower survival in sand and seagrass than ... foraging; however, this effect was more pronounced for Mya than for Mercenaria. Mercenaria had higher survival than ...
Tópico(s): Marine and fisheries research
2018 - Public Library of Science | PLoS ONE
Antje Voegele, Kai Graeber, Krystyna Oracz, Danuše Tarkowská, Dominique Jacquemoud, Veronika Turečková, Terezie Urbanová, Miroslav Strnad, Gerhard Leubner‐Metzger,
Myrigalone A (MyA) is a rare flavonoid in fruit leachates of Myrica gale, a deciduous shrub adapted to flood-prone habitats. ... were conducted to investigate how environmental cues modulate MyA's interference with key processes of seed germination. ... early water uptake by imbibition is enhanced by MyA. During late germination, MyA inhibits endosperm weakening and embryo growth, both processes ... endosperm rupture. Inhibition of embryo cell expansion by MyA depends on environmental cues, which is evident from ...
Tópico(s): Plant tissue culture and regeneration
2012 - Oxford University Press | Journal of Experimental Botany
J. R. Úrbez‐Torres, W. D. Gubler, Jordi Luque,
... used to complete pathogenicity tests (B. iberica: ATCC MYA-4110, ATCC MYA-4111; B. viticola: ATCC MYA-4115, ATCC MYA-4116). Ten fresh pruning wounds on 15-year- ... at the American Type Culture Collection (B. iberica: MYA-4110, MYA-4111; B. viticola: MYA-4112 to MYA-4116). Sequences from the studied DNA regions of ...
Tópico(s): Forest Insect Ecology and Management
2007 - American Phytopathological Society | Plant Disease

Erika Tavares, Allan J. Baker, Sérgio L. Pereira, Cristina Yumi Miyaki,
... shared a common ancestor with Australian parrots 59 Mya (million of years ago; 95% credibility interval (CrI) 66, 51 Mya), well before Australia separated from Antarctica and South ... major clades of Neotropical parrots originated about 50 Mya (95% CrI 57, 41 Mya), coinciding with periods of higher sea level when ... of amazons and allies between 46 and 16 Mya suggests they diversified exclusively in South America. Conversely, ... cooled and Antarctica became ice-encrusted about 35 Mya. The subsequent radiation of macaws and their allies ...
Tópico(s): Plant and animal studies
2006 - Oxford University Press | Systematic Biology
Lars Werdelin, Margaret E. Lewis,
... adequate for the interval 3.6–1.5 Mya, and poorer in the half-million-year time ... Species richness peaks around 3.6–3.0 Mya and declines gradually from that time until the ... peaks of origination: at 3.9–3.3 Mya (although the earlier half of this interval is ... poor sampling) and at 2.1–1.8 Mya. The origination rate is zero in the interval 3.0–2.4 Mya. The extinction rate peaks at around 3.0 Mya after which it falls slightly, remaining nearly constant until 1.8 Mya, after which it increases considerably. The data support ...
Tópico(s): Animal Ecology and Behavior Studies
2005 - Oxford University Press | Zoological Journal of the Linnean Society
Galina Glazko, Eugene V. Koonin, Igor B. Rogozin,
... those that employed the 310 million years ago (Mya) date of mammal–bird divergence as the calibration ... the molecular time estimates in the 10–100 Mya range. The estimated range of the primate–rodent divergence time, 84–121 Mya, includes the date obtained with the 310 million years calibration point (110 Mya). We conclude that molecular time estimates remain useful ... those that employed the 310 million years ago (Mya) date of mammal–bird divergence as the calibration ... the molecular time estimates in the 10–100 Mya range. The estimated range of the primate–rodent ...
Tópico(s): Primate Behavior and Ecology
2004 - Elsevier BV | Trends in Genetics