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Entolium calvum
Taxonomy
Pecten calvus was named by Goldfuss (1836). It is not extant.
It was recombined as Chlamys calva by Melville (1956); it was recombined as Calvaentolium calvum by Romanov (1985); it was recombined as Entolium calvum by Chen (1997).
It was recombined as Chlamys calva by Melville (1956); it was recombined as Calvaentolium calvum by Romanov (1985); it was recombined as Entolium calvum by Chen (1997).
Sister species lacking formal opinion data
E. briconense, E. cainalloi, E. contemptibile, E. corneaolum, E. disciformis, E. discites, E. discus, E. filosum, E. fimbriatum, E. frontale, E. gregarium, E. hallense, E. hallensis, E. hehli, E. hellii, E. inequivalve, E. jamoignense, E. japonicum, E. kimurai, E. kolyaense, E. kolymaense, E. kolymaense, E. lackeyi, E. liasianum, E. liscaviensis, E. mahuidaensis, E. molestus, E. mongqiongense, E. nicoleti, E. nieniexionglaensis, E. nummulare, E. nummulare, E. nummularis, E. obovatum, E. orbicularis, E. orbicularis, E. partitum, E. pseudodiscites, E. saccoi, E. sadleri, E. sanchuense, E. sanchuensis, E. seymourensis, E. seymouriensis, E. sichianense, E. spathulatum, E. spathulatus, E. subdemissus, E. sulcatellus, E. tenuistriatum, E. tridentina, E. tridentini, E. undiferum, E. ussuricus, E. yatsujiense, E. yatsushiroense, E. argentinum, E. incognitum, E. partitum, E. quotidianum, E. spedeni, Pecten quotidianus, Pecten vitreus
Synonymy list
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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.
†Entolium calvum Goldfuss 1836
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subg = subgenus, f = family, o = order | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Hettangian to the top of the Spinatum or 201.40000 to 184.20000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Angulata | France (Lorraine) | Pecten calvus (53947) | |
| Hettangian | Russian Federation | Entolium calvum (39303) | |
| Bucklandi - Semicostatum | Hong Kong | Entolium calvum (275835 275861 275886 275888 275890) | |
| Early/Lower Sinemurian | United Kingdom (Wales) | Chlamys calva (29236 29238 29240 29242) | |
| Early/Lower Sinemurian | United Kingdom (England) | Chlamys calva (29237 29239 29241) | |
| Semicostatum | Canada (Alberta) | Entolium calvum (133090) | |
| Sinemurian | Japan (Yamaguchi) | Entolium calvum (40560) | |
| Spinatum | Serbia | Entolium calvum (73350) |