Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Pinna lewisi was named by Waring (1914). It is a 3D body fossil. Its type locality is 1.5 miles East of McCray Wells, which is in an Eocene marine horizon in the Llajas Formation of California.
It was recombined as Pinna (Pinna) lewisi by Moore (1983).
It was recombined as Pinna (Pinna) lewisi by Moore (1983).
Sister 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.
†Pinna (Pinna) lewisi Waring 1914
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Diagnosis
Reference | Diagnosis | |
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C. A. Waring 1914 | Shell thin, pearly, mytiliform, equivalve, truncate, and wholly open behind, hinge line long; valves triangu- lar, the apical angle being about 45 degrees; convex along the center line and flaring at the margins. Base of shell notched in the middle and convex on either side. Surface marked by five indistinct radiating ribs and concentric lines of growth. |
Measurements
No measurements are available
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Source: g = genus, f = family, o = order, c = class | |||||
References: Kiessling 2004, Aberhan et al. 2004 |
Age range: base of the Lutetian to the top of the Late/Upper Eocene or 47.80000 to 33.90000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Ypresian - Lutetian | USA (California) | Pinna lewisi (8016) | |
Lutetian | USA (California) | Pinna lewisi (51922) | |
Late/Upper Eocene | USA (California) | Pinna lewisi (193039 type locality: 193040) |