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Some New Ordovician Species of Conularia from Girvan

1933; Cambridge University Press; Volume: 70; Issue: 8 Linguagem: Inglês

10.1017/s0016756800096394

1469-5081

F. R. Cowper Reed,

Geology and Paleoclimatology Research

Amongst Mr. James L. Begg’s recent collections of fossils from the Upper Bala (Starfish Bed) of Thraive Glen, Girvan, there are several specimens of the genus Conularia , one of which has the apertural lobes well preserved, which is apparently unique in British Ordovician examples of this genus, and another shows internal structures of peculiar interest. A third new species is closely related to the one which Miss Slater named C. hispida , and a fourth is allied to C. plicata Slater. In Miss Slater’s monograph 1 on the British Conulariae, published in 1907, the following four species were described from the Upper Bala of Thraive Glen: C. cf. aspersa Lindstr., which is typically a Wenlock species; C. hispida Slater, which was also founded on Wenlock specimens; and C. plicata Slater and C. planiseptata Slater, which were recorded only from Thraive Glen.