Nematotrypidae Spjeldnaes, 1984
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https://doi.org/10.5281/zenodo.13652021 |
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https://treatment.plazi.org/id/92125B5E-240B-FF99-FFD0-6660749F6B41 |
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Felipe (2024-08-08 18:32:10, last updated 2024-09-03 19:50:44) |
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Nematotrypidae Spjeldnaes, 1984 |
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Family Nematotrypidae Spjeldnaes, 1984 View in CoL Genus Clausotrypa Bassler, 1929
Type species: C. separata Bassler, 1929 , by original designation; Lower Permian , Timor, Indonesia .
Diagnosis.—Ramose cylindrical colonies. Autozooecia elongated−tubular with rare diaphragms; autozooecial apertures rounded or oval; exilazooecia common, irregularly shaped, closed by calcareous material near surface; acanthostyles common on the surface (translated after Gorjunova 1985).
Discussion.— Clausotrypa Bassler, 1929 is hard to compare with other rhabdomesid genera. Blake (1983) excluded this genus from the rhabdomesids. Gorjunova (1985) included it in the rhabdomesid family Nematotrypidae Gorjunova, 1985 because of the presence of a special type of heterozooecia which she called “tectitozooecia”. Wyse Jackson (1996) placed Clausotrypa with some reservations in the family Hyphasmoporidae Vine, 1885 . This suggestion is followed in the present paper.
Stratigraphic and geographic range.—Lower Carboniferous to Upper Permian; Ireland, Russia, Oman, Indonesia, and Malaysia.
Bassler, R. S. 1929. The Permian Bryozoa of Timor. Palaontologie von Timor 16 (28): 37 - 90.
Blake, D. B. 1983. The Order Cryptostomata. In: R. A. Robison (ed.), Treatise on Invertebrate Paleontology, Part G (1). Bryozoa (revised), 551 - 592. Geological Society of America, Boulder, and University of Kansas Press, Lawrence.
Gorjunova, R. V. 1985. Morphology, system und phylogeny of Bryozoa (Or- der Rhabdomesida) [in Russian]. Trudy Paleontologiceskogo Instituta Akademii Nauk SSSR 208: 1 - 152.
Spjeldnaes, N. 1984. Upper Ordovician bryozoans from Ojl Myr, Gotland, Sweden. Bulletin of the Geological Institutions of the University of Uppsala, New Series 10: 1 - 66.
Vine, G. R. 1885. Notes on the Polyzoa and Foraminifera of the Cambridge Greensand. Proceedings of the Yorkshire Geological Society 9: 10 - 29.
Wyse Jackson, P. N. 1996. Bryozoa from the Lower Carboniferous (Visean) of County Fermanagh, Ireland. Bulletin of the Natural History Museum, London (Geology) 52: 119 - 171.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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