Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Eumarcia (Atamarcia) was named by Marwick (1927) [Sepkoski's age data: T Ol-l T Plio-u Sepkoski's reference number: 728,899]. Its type is Eumarcia (Atamarcia) sulcifera.
It was reranked as Atamarcia by Sepkoski (2002).
It was assigned to Eumarcia by Marwick (1927), Beu et al. (1990); and to Veneroida by Sepkoski (2002).
It was reranked as Atamarcia by Sepkoski (2002).
It was assigned to Eumarcia by Marwick (1927), Beu et al. (1990); and to Veneroida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1927 | Eumarcia (Atamarcia) Marwick |
1990 | Eumarcia (Atamarcia) Beu et al. p. 401 |
2002 | Atamarcia Sepkoski |
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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.
Subg. †Eumarcia (Atamarcia) Marwick 1927
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†Atamarcia crassa Marwick 1927
†Atamarcia curta Hutton 1873
†Eumarcia (Atamarcia) robusta Stilwell and Zinsmeister 1992
†Eumarcia (Atamarcia) sulcifera Marwick 1927
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Kiessling 2004, Aberhan et al. 2004 |
Age range: base of the Ypresian to the top of the Early/Lower Miocene or 56.00000 to 15.98000 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Ypresian - Lutetian | Antarctica (Seymour Island) | Eumarcia robusta (63551) | |
Ypresian - Lutetian | Antarctica | Eumarcia robusta (72405) | |
Oligocene | New Zealand (Waikato) | Eumarcia crassa (45012 45014 45015) | |
Oligocene | New Zealand | Eumarcia crassa (45018 45020 45021 45023) | |
Early/Lower Miocene | New Zealand (Dannevirke) | Atamarcia curta (35661) | |
Otaian | New Zealand | Atamarcia sulcifera (67827) | |
Altonian | New Zealand | Eumarcia curta, Eumarcia sulcifera (67897) |