... and fossil Limulidæ and the extinct species of Pterygotus and Eurypterus . “The tribe Pœcilopoda,” he observes, “are ... divisions:—1. Limulidæ— Limulus ; and 2. Eurypteridæ— Eurypterus, Pterygotus , and Belinurus . He subsequently furnished a restoration of Pterygotus problematicus , in illustration of his view of the ... with the anatomy of these extinct forms of Pterygotus and Eurypterus , then only known in England by ... into the anatomy and affinities of the genus Pterygotus (in 1859) do not favour M'Coy's ... Crustacea which possess antennary organs like those of Pterygotus , and, like them, have the gnathites converted into ...
Tópico(s): Marine and environmental studies
1867 - Geological Society of London | Quarterly Journal of the Geological Society
Abstract: Specimens of the large eurypterid Pterygotus from the Early Devonian Campbellton Formation outcropping at Atholville, New Brunswick, are identified as Pterygotus anglicus Agassiz. The locality, in the Atholville beds ... the Geological Survey of Canada collections were named Pterygotus atlanticus by Clarke and Ruedemann, considered here to ... individual, confirms their suspicions and provides evidence of Pterygotus anglicus in the Lower Devonian of North America.
Tópico(s): Amphibian and Reptile Biology
2007 - Wiley | Palaeontology
... identified by Clarke and Ruedemann in 1912 as Pterygotus atlanticus, although they suggested it might be a variant of Pterygotus anglicus Agassiz. An almost complete pterygotid recovered in ... Clarke et Ruedemann en 1912 en tant que Pterygotus atlanticus, bien que les chercheurs aient avancé qu’il pourrait s’agir d’une variante du Pterygotus anglicus Agassiz. On a récupéré en 1994 un ...
Tópico(s): Lepidoptera: Biology and Taxonomy
2007 - Atlantic Geoscience Society | Atlantic Geology
Fragments of the large euryptcrid Pterygotus, recently collected from the Devonian Campbellton Formation at Atholville, New Brunswick, are identified as belonging to P. anglicus Agassiz. The only previous Pterygotus specimens from this site, collected in 1881, were ... a déterminé que les fragments du grand euryptéride Pterygotus récemment recueillis dans la Formation dévonienne de Campbellton ... P, anglicus Agassiz. Les seuls spécimens antérieurs de Pterygotus de cet emplacement, préIevés en 1881, avaient été ...
Tópico(s): Marine Biology and Ecology Research
1996 - Atlantic Geoscience Society | Atlantic Geology
Victoria E. McCoy, James C. Lamsdell, Markus Poschmann, Ross P. Anderson, Derek E. G. Briggs,
... similar analyses of the pterygotids Erettopterus, Jaekelopterus and Pterygotus, and the pterygotid sister taxon Slimonia. Representative species ... cummingsi. The visual systems of Jaekelopterus rhenaniae and Pterygotus anglicus are comparable to that of modern predatory arthropods. All species of Jaekelopterus and Pterygotus have robust crushing chelicerae, morphologically distinct from the ...
Tópico(s): Lepidoptera: Biology and Taxonomy
2015 - Royal Society | Biology Letters
Samuel J. Ciurca, O. Erik Tetlie,
Pterygotus monroensis from the Pittsford and Harris Hill members of the Silurian Vernon Formation, New York State, ... treated as belonging to Erettopterus. The much rarer Pterygotus? sarlei n. sp., a possibly basal pterygotid, also ... systematic revisions have implications for other pterygotid taxa. Pterygotus impacatus, from Estonia, is a junior synonym of ...
Tópico(s): Evolution and Paleontology Studies
2007 - Cambridge University Press | Journal of Paleontology
... Pl. 1. E. fig. 7, under the name Pterygotus (Leptocheles) leptodactylus , it occurred to him that examination ... are stated to belong to a fish called Pterygotus problematicus , still M. Agassiz, in his volume on ... in the work on the Cambridge Fossils, that Pterygotus belonged, not to the Macrurous Crustacea, but to ...
Tópico(s): Paleontology and Evolutionary Biology
1853 - Geological Society of London | Quarterly Journal of the Geological Society
Sébastien Olive, Alan Pradel, Carlos Martínez‐Pérez, Philippe Janvier, James C. Lamsdell, Pierre Guériau, Nicolas Rabet, Philippe Duranleau-Gagnon, Andrés Cárdenas, Paula Andrea Zapata Ramírez, Héctor Botella,
... two families of spinicaudatan branchiopods and the eurypterid Pterygotus cf. bolivianus, are found to be associated with the reported vertebrate fauna. Pterygotus cf. bolivianus represents the first eurypterid described from ...
Tópico(s): Ichthyology and Marine Biology
2019 - Taylor & Francis | Journal of Vertebrate Paleontology
O. Erik Tetlie, Derek E. G. Briggs,
... their origin and early evolution are poorly understood. Pterygotus ? ventricosus from Kokomo, Indiana, is shown to be ... is erected to accommodate the Kokomo pterygotid and Pterygotus ? sarlei Ciurca and Tetlie.
Tópico(s): Fossil Insects in Amber
2009 - Wiley | Palaeontology
... more material and formal revisions of each genus): Pterygotus anglicus Agassiz, 1844 (including Pterygotus minor Woodward, 1864, here interpreted as a juvenile), ...
Tópico(s): Geology and Paleoclimatology Research
2000 - Zoological Society of London | Scottish Journal of Geology
... description is given of the cuticular ultrastructure of Pterygotus (Pterygotus) ludensis Salter, 1859 from the 'Passage Beds' at ...
Tópico(s): Crustacean biology and ecology
1973 - Wiley | Lethaia
Synopsis With the exception of Pterygotus rhenaniœ Jaekel, for which the new genus Jœkelopterus is proposed, the published accounts of the median abdominal appendages of the Pterygotidæ ... with both sexes of Erettopterus bilobus (Salter) and Pterygotus anglicus Agassiz, of the Baltic species Erettopterus osiliensis ( ...
Tópico(s): Fossil Insects in Amber
1964 - Royal Society of Edinburgh | Transactions of the Royal Society of Edinburgh
The Pterygotidae comprise two genera, Pterygotus Agassiz and Erettopterus Salter, and four subgenera. Possible species and subspecies are: 37 for P. (Pterygotus), 7 for P. (Acutiramus), 17 for E. (Erettopterus), ...
Tópico(s): Geological and Geophysical Studies
1964 - Cambridge University Press | Journal of Paleontology
... remipes flintstonensis Swartz, Erieopterus sp., and specifically undeterminable Pterygotus fragments occur in the upper Syracuse. Pterygotus fragments have also been found near the bottom ...
Tópico(s): Diatoms and Algae Research
1961 - Cambridge University Press | Journal of Paleontology
F. B. Meek, Amos Henry Worthen,
... a single long, acutely pointed dactylus, as m Pterygotus.* These al.re in E. ,.em~e8, and ... Mr. Woodward, in his memoir on the genus Pterygotus, published by the Pe.-
Tópico(s): Marine and environmental studies
1868 - Yale University | American Journal of Science
... lobsters of the present day. Except the large Pterygotus of the Tilestone beds, and the Ceratiocaris from ... the gigantic Eurypterus of De Kay and the Pterygotus of Agassiz, and was doubtfully referable to the ...
Tópico(s): Marine Biology and Ecology Research
1856 - Geological Society of London | Quarterly Journal of the Geological Society
... claw of a large crustacean analogous to the Pterygotus of Agassiz; an animal which, though at first ... specimen, which Professor M'Coy had then named Pterygotus leptodactylus , one solid finger was seen to be ...
Tópico(s): Evolution and Paleontology Studies
1853 - Geological Society of London | Quarterly Journal of the Geological Society
Zhiheng Ma, Tingshan Zhang, James C. Lamsdell, Jingwen Chen, Paul A. Selden, Liurunxuan Chen,
Abstract Two new eurypterids, a pterygotid Pterygotus wanggaii n. sp. and an adelophthalmoid Parahughmilleria fuea n. sp., are described from the Early Devonian (Lochkovian) Xiaxishancun Formation of Yunnan province, ... record of Parahughmilleria from Gondwana and the first Pterygotus from China. Pterygotus wanggaii n. sp. is characterized by the first ... only extend the geographical extent of the genera Pterygotus and Parahughmilleria from Euramerica to SW China, but ...
Tópico(s): Evolution and Paleontology Studies
2022 - Cambridge University Press | Geological Magazine
W. P. Leutze, Carol A. Heubusch,
... central parts of the state. Four species of Pterygotus have been reported. One is restricted to the ... from a lower horizon. A new specimen of Pterygotus (Acutiramus) macrophthalmus Hall exhibits previously unknown morphological details ...
Tópico(s): Paleontology and Evolutionary Biology
1963 - Cambridge University Press | Journal of Paleontology
Tópico(s): Paleontology and Stratigraphy of Fossils
1952 - Cambridge University Press | Journal of Paleontology
James C. Lamsdell, David Legg,
... and synonymy is briefly discussed with the genera Pterygotus, Acutiramus and Jaekelopterus shown to be potential synonyms. ...
Tópico(s): Amphibian and Reptile Biology
2010 - Cambridge University Press | Journal of Paleontology
Nigel H. Trewin, Robert G. Davidson,
... probably by larger Ischnacanthus . Arthropods present include eurypterids (Pterygotus) , washed in as near complete exuviae and fragments, ...
Tópico(s): Evolution and Paleontology Studies
1995 - Cambridge University Press | Transactions of the Royal Society of Edinburgh Earth Sciences
Robert Riding, Nigel R. Watts,
... Member, probably equivalent to Hede's Högklint d "Pterygotus" beds, 2 Gutevägen Member, 3 Plägan Member, 4 ...
Tópico(s): Geochemistry and Geologic Mapping
1991 - Taylor & Francis | Geologiska Foereningan i Stockholm Foerhandlingar
Tópico(s): Plant Parasitism and Resistance
1935 - | Annals of Carnegie Museum
... 3). Besides the remarkable specimen from the Ludlovian Pterygotus bed of Wisby, to which he gave the ...
Tópico(s): Mollusks and Parasites Studies
1915 - Cambridge University Press | Geological Magazine
1914 - Springer Nature | PalZ
Professor E. Ray Lankester, who has been interested in the constitution of the carapace of certain fossil Eurypterids found in Oesel in rocks of Silurian age, placed the matter in the hands of Mr. Bather, of the Geological Department, Natural History Museum.
Tópico(s): Paleontology and Stratigraphy of Fossils
1905 - Royal Society | Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character
I am greatly indebted to Mr. F. Spry for bringing to my knowledge some extremely interesting Upper Silurian fossils collected by him with great care and diligence from the tunnels excavated through the rocks underlying Melbourne during the progress of the new great drainage works for the city, carried out by the Metropolitan Board of Works. The age of the strata containing these fossils was originally determined by me for Selwyn's Geological Survey Maps of Victoria.
Tópico(s): Mollusks and Parasites Studies
1899 - Cambridge University Press | Geological Magazine
... sadly imperfect condition. In these localities, associated with Pterygotus, Platyschisma helicites, Lingula cornea, c while the Ludlow ...
Tópico(s): Ichthyology and Marine Biology
1870 - Zoological Society of London | Transactions of the Edinburgh Geological Society
A mong the rich collection of fossil Crustacea from Logan Water, exhibited by Mr. Robert Slimon at the Meeting of the British Association at Dundee, in September last, were several new forms belonging to the order Merostomata, which have since been acquired by the British Museum. 1. The first new form is represented (Pl. IX. fig. 1) by (1) an almost entire individual, measuring 11 inches in length and 5 inches in breadth, having one entire swimming-foot and three pairs of palpi in situ , and presenting ...
Tópico(s): Paleontology and Evolutionary Biology
1868 - Geological Society of London | Quarterly Journal of the Geological Society