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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Pedalion clarki was named by Effinger (1938). Its type specimen is UCMP 33513 and is a 3D body fossil.
It was recombined as Isognomon (Isognomon) clarki by Squires (1989).
It was recombined as Isognomon (Isognomon) clarki by Squires (1989).
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.
†Isognomon (Isognomon) clarki Effinger 1938
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, superf = superfamily, o = order, c = class | |||||
| References: Sanchez Roig 1926, Hendy et al. 2009, Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Bartonian to the top of the Middle Eocene or 41.30000 to 37.71000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Eocene | USA (California) | Isognomon clarki (202071 202081 202083 202084) | |
| Bartonian | USA (Washington) | Isognomon clarki (161922) | |
| Bartonian | USA (California) | Isognomon clarki (52804) | |
| Priabonian | USA (Washington) | Pedalion clarki (40733) | |
| Priabonian | USA (Oregon) | Isognomon clarki (193975) |