Warthia Waagen 1880 ...
Genus Warthia Waagen, 1880 Type species. Warthia brevisinunata Waagen, 1880; Middle Permian, Salt Range, Pakistan. Diagnosis. The generic diagnosis follows Waterhouse (1963). Deeply involute planispirally coiled bellerophont gastropod, distinguished by absence of spiral ornament. Sinus is broad, usu...
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Format: | Text |
Language: | unknown |
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Zenodo
2016
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Subjects: | |
Online Access: | https://dx.doi.org/10.5281/zenodo.10903528 https://zenodo.org/doi/10.5281/zenodo.10903528 |
Summary: | Genus Warthia Waagen, 1880 Type species. Warthia brevisinunata Waagen, 1880; Middle Permian, Salt Range, Pakistan. Diagnosis. The generic diagnosis follows Waterhouse (1963). Deeply involute planispirally coiled bellerophont gastropod, distinguished by absence of spiral ornament. Sinus is broad, usually with a short slit. Selenizone obscured by inductural layer. Ornament of faint growth lines and growth wrinkles. Umbilicus generally filled. ... : Published as part of Foster, William J., Danise, Silvia & Twitchett, Richard J., 2017, A silicified Early Triassic marine assemblage from Svalbard, pp. 851-877 in Journal of Systematic Palaeontology 15 (10) on page 865, DOI: 10.1080/14772019.2016.1245680, http://zenodo.org/record/10883052 ... |
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