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Acanthocythereis
Taxonomy
Acanthocythereis is a genus. It is extant.
It was assigned to Trachyleberidinae by Bertels (1975); to Trachyleberidini by Carreño and Cronin (1993); to Podocopida by Sepkoski (2002); and to Trachyleberididae by Yamaguchi et al. (2016).
It was assigned to Trachyleberidinae by Bertels (1975); to Trachyleberidini by Carreño and Cronin (1993); to Podocopida by Sepkoski (2002); and to Trachyleberididae by Yamaguchi et al. (2016).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Acanthocythereis Bertels p. 106 |
| 1993 | Acanthocythereis Carreño and Cronin p. 143 |
| 2002 | Acanthocythereis Sepkoski |
| 2016 | Acanthocythereis Yamaguchi et al. p. 414 figs. Table 3 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Albian to the top of the Calabrian or 113.20000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian - Cenomanian | Argentina (Santa Cruz) | A. sp. (234986) | |
| Campanian | Japan (Hokkaido) | A. sp. (94128) | |
| Late/Upper Maastrichtian - Danian | Argentina (Neuquén) | Cythereis abundans (232029) | |
| Maastrichtian - Danian | Argentina (Rio Negro) | A. abundans (236599 236601) | |
| Danian | Tunisia (Kef) | A. denticulata (93948) | |
| Paleocene | USA (Missouri) | A. sp. (232027) A. washingtonensis (232025 232028) | |
| Tortonian | Greece | A. histrix (138333) | |
| Messinian - Zanclean | North Atlantic | A. sp. (201875) | |
| Calabrian | Italy (Umbria) | A. hystrix (200420) |