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Placopecten
Taxonomy
Chlamys (Placopecten) was named by Verrill (1897) [Sepkoski's age data: T Mi-l-l R Sepkoski's reference number: 1112]. It is extant.
It was Pecten (Placopecten) by Dall (1898); it was reranked as Placopecten by Ward (1992), Sepkoski (2002) and Rosenberg (2005).
It was assigned to Pecten by Dall (1898); to Chlamys by Verrill (1897), Gardner (1943) and Hassan (1953); to Pterioida by Sepkoski (2002); and to Pectinidae by Ward (1992) and Rosenberg (2005).
It was Pecten (Placopecten) by Dall (1898); it was reranked as Placopecten by Ward (1992), Sepkoski (2002) and Rosenberg (2005).
It was assigned to Pecten by Dall (1898); to Chlamys by Verrill (1897), Gardner (1943) and Hassan (1953); to Pterioida by Sepkoski (2002); and to Pectinidae by Ward (1992) and Rosenberg (2005).
Species lacking formal opinion data
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.
G. Placopecten Verrill 1897
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†Placopecten clintonius Say 1824
Placopecten magellanicus Gmelin 1791
†Placopecten marylandica Wagner 1839
†Placopecten princepoides Emmons 1858
†Placopecten virginiana Conrad 1840
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Bartonian to the top of the Holocene or 41.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 38.0 Ma
Minimum age of oldest fossil (stem group age): 38.0 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bartonian | USA (South Carolina) | P. spp. (5344) | |
| Bartonian | USA (North Carolina) | P. spp. (5366) | |
| Priabonian | USA (South Carolina) | P. spp. (5362 5363) | |
| Late/Upper Oligocene | USA (Virginia) | P. sp. (61288) | |
| Early/Lower Miocene - Middle Miocene | Greenland | Chlamys princeps (88284 88286) Chlamys sp. (88285) | |
| Langhian | Japan | P. protomollitus (44959) P. todaniensis (44970) | |
| Serravallian | Japan | P. promollitus, P. sp. (44962) | |
| Serravallian | USA (Maryland) | Chesapecten marylandica (60376) Pecten clintonius, Pecten marylandicus, Pecten virginianus (55396) P. marylandicus (79103) | |
| Late/Upper Miocene | USA (North Carolina) | P. princepoides (59299) | |
| Messinian | USA (Virginia) | P. princepoides (71619 71623) | |
| Early/Lower Pliocene | Ecuador | P. sp. (131334) | |
| Early/Lower Pliocene | USA (North Carolina) | P. clintonius (59300) | |
| Zanclean | USA (Virginia) | P. clintonius (71620 71624) | |
| Zanclean | USA (North Carolina) | P. magellanicus, P. clintonius (52582) | |
| Pliocene | USA (Virginia) | Pecten clintonius (59293) | |
| Late/Upper Pliocene | USA (Virginia) | P. clintonius (79247 79709 80038 80040) | |
| Pleistocene | USA (New York) | P. magellanicus (66379) | |
| Late/Upper Pleistocene | USA (Maine) | P. magellanicus (80043) | |
| Late/Upper Pleistocene | USA (New York) | P. magellanicus (61270) | |
| Late/Upper Pleistocene | USA (Georgia) | P. magellanicus (96681) | |
| Late/Upper Pleistocene | USA (Massachusetts) | P. magellanicus (61269) | |
| Holocene | USA (New Jersey) | P. magellanicus (66630) | |
| Holocene | Canada (New Brunswick) | P. magellanicus (66532) |