Nematotrypidae Spjeldnaes, 1984
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publication ID |
https://doi.org/ 10.5281/zenodo.13652021 |
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persistent identifier |
https://treatment.plazi.org/id/92125B5E-240B-FF99-FFD0-6660749F6B41 |
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treatment provided by |
Felipe |
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scientific name |
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.
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