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Ptychatractidae
Taxonomy
Ptychatractidae was named by Nielsen (2005).
It was assigned to Pseudolivoidea by Bouchet et al. (2005); to Gastropoda by Nielsen (2005); and to Turbinelloidea by Bouchet et al. (2017).
It was assigned to Pseudolivoidea by Bouchet et al. (2005); to Gastropoda by Nielsen (2005); and to Turbinelloidea by Bouchet et al. (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Ptychatractidae Bouchet et al. p. 256 |
| 2005 | Ptychatractidae Nielsen p. 154 |
| 2017 | Ptychatractidae Bouchet et al. p. 350 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Ptychatractidae Nielsen 2005
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G. †Exilia Conrad 1860
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†Exilia alanbeui Nielsen 2005
†Exilia attenuata Philippi 1851
†Exilia bentsonae Hickman 1980
†Exilia canalifera Favre 1869
†Exilia clarki Bentson 1940
†Exilia contigua Beyrich 1856
†Exilia crassitria Koenen 1885
†Exilia cretacea Gardner 1916
†Exilia diaboli Gabb 1864
†Exilia dickersoni Weaver 1912
†Exilia fausta Anderson and Hanna 1925
†Exilia lincolnensis Weaver 1916
†Exilia llajasensis Bentson 1940
†Exilia microptygma Gabb 1864
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Invalid names: Exilia novatrix Anderson and Hanna 1925 [synonym], Exilia waringi Dickerson 1915 [synonym]
†Exilia ordita Bellardi et Michellotti 1841
†Exilia ottnangensis Hoernes 1875
†Exilia pergracilis Conrad 1860
†Exilia perkinsiana Cooper 1894
†Exilia plana Kaunhowen 1898
†Exilia potreroensis Bentson 1940
†Exilia ripleyana Wade 1926
†Exilia simiensis Bentson 1940
†Exilia stechesonae Squires and Stecheson 2017 [snail]
†Exilia taliaferroi Vokes 1939
†Exilia trifasciata Traub 1938
†Exilia ucalia Vokes 1939
†Exilia weaveri Dickerson 1917
Invalid names: Exilia harrisi Dickerson 1916 [nomen nudum], Mitraefusus Bellardi 1871 [synonym]
Diagnosis
No diagnoses are available