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Pentremitidae
Taxonomy
Pentremitidae was named by d'Orbigny (1851).
It was assigned to Spiraculata by Beaver et al. (1967) and Webster and Jell (1992).
It was assigned to Spiraculata by Beaver et al. (1967) and Webster and Jell (1992).
Synonymy list
| Year | Name and author |
|---|---|
| 1851 | Pentremitidae d'Orbigny p. 139 |
| 1967 | Pentremitidae Beaver et al. p. S434 |
| 1992 | Pentremitidae Webster and Jell p. 367 |
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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. †Pentremitidae d'Orbigny 1851
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G. †Belocrinus Munier-Chalmas 1881
G. †Cordyloblastus Fay 1961
G. †Pentremites Say 1820
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†Pentremites aridus Webster and Lane 1970
†Pentremites conoideus Hall 1856
†Pentremites cristalensis Macurder 1964
†Pentremites elongatus Shumard 1855
†Pentremites godoni Defrance 1819
†Pentremites kirki Hambach 1903
†Pentremites pentremites Hernon 1935
†Pentremites pulchellus Ulrich 1917
†Pentremites rusticus Hambach 1903
†Pentremites stelliformis Owen and Shumard 1850
G. †Rhopaloblastus Wanner 1924
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†Rhopaloblastus belfordi Crockford and Brown 1940
†Rhopaloblastus cuspidus Webster and Jell 1992
Diagnosis
No diagnoses are available