| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Acutostrea gaviota was named by Squires (2018). Its type specimen is LACMIP 14681, a shell, and it is a 3D body fossil. Its type locality is LACMIP loc. 7289, Cuarta Canyon, Santa Ynez Mountains, which is in a Priabonian marine horizon in the Gaviota Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2018 | Acutostrea gaviota Squires p. 7 figs. Figures 62–79 |
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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.
†Acutostrea gaviota Squires 2018
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires 2018 | Shell size medium to large. Strongly inequivalved. Prominent flexure (sulcus) can be present on medial posterior shell margin of trigonal valves. Left valve moderately thick to thick, lightweight or heavy. Right valve thinner and moderately convex to flat. Radial ribs moderately abundant and can be broad and strong. Resilifer groove short, with small bourrelets; base of hinge straight to slightly sinuous. Chomata moderately common and mainly indistinct. Adductor muscle scar reniform, somewhat postero-ventrally located. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2003 | |||||
Age range: Priabonian or 37.71000 to 33.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | USA (California) | Acutostrea gaviota (type locality: 205786) Ostrea sp. (205787) |