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Petrimordella rasnitsyni
Taxonomy
Isotrilophus rasnitsyni was named by Odnosum and Perkovsky (2016). Its type specimen is PIN 4621/414, an exoskeleton, and it is a compression fossil. Its type locality is Anvil Points (PIN collection 4621), which is in a Bridgerian lacustrine - large mudstone in the Green River Formation of Colorado. 
It was recombined as Petrimordella rasnitsyni by Batelka et al. (2023).
It was recombined as Petrimordella rasnitsyni by Batelka et al. (2023).
Synonymy list
| Year | Name and author | 
|---|---|
| 2016 | Isotrilophus rasnitsyni Odnosum and Perkovsky p. 610 fig. 1 | 
| 2023 | Petrimordella rasnitsyni Batelka et al. p. 474 | 
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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.
 †Petrimordella rasnitsyni Odnosum and Perkovsky 2016
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Bridgerian or 51.10000 to 45.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number | 
|---|---|---|---|
| Bridgerian | USA (Colorado) | Isotrilophus rasnitsyni (type locality: 138675) |