| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Plesiosminthus fremdi was named by Korth and Samuels (2015). Its type specimen is JODA 12686, a mandible, and it is a 3D body fossil. Its type locality is Lonerock Area, which is in an Arikareean terrestrial sandstone in the John Day Formation of Oregon.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Plesiosminthus fremdi Korth and Samuels |
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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.
†Plesiosminthus fremdi Korth and Samuels 2015
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Nowak 1999, Ji et al. 2002 | |||||
Age range: Arikareean or 29.50000 to 18.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arikareean | USA (Oregon) | Plesiosminthus fremdi (type locality: 212628) |