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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Calva (Calva) baptisia was named by Saul and Popenoe (1992). Its type specimen is LACMIP 7559 and is a 3D body fossil. Its type locality is LACMIP loc. 26526, Dip Creek, Lake Nacimiento, which is in a Maastrichtian marine sandstone in the El Piojo Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Calva (Calva) baptisia Saul and Popenoe pp. 24 - 26 figs. Figures 90 - 101 |
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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.
†Calva (Calva) baptisia Saul and Popenoe 1992
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and W. P. Popenoe 1992 | A relatively shon, rounded Calva with anteriorly placed beak, straight lunular margin, smooch lateral teeth, and cardinal 3a noticeably shorter than l; 1 extending from near the hinge plate edge and approaching che beak more closely chan 3a; lateral AII enlarged, swollen, shortened. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | USA (California) | Calva baptisia (type locality: 218669) |