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Entomaspis
Taxonomy
Entomaspis was named by Ulrich (1931) [Sepkoski's age data: Cm Trep-l Cm Trep-u Sepkoski's reference number: 379]. It is not extant. It is the type genus of Entomaspididae.
It was assigned to Ptychopariida by Sepkoski (2002); to Harpetidae by Jell and Adrain (2002); and to Entomaspididae by Beech and Lamsdell (2021).
It was assigned to Ptychopariida by Sepkoski (2002); to Harpetidae by Jell and Adrain (2002); and to Entomaspididae by Beech and Lamsdell (2021).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Entomaspis Ulrich |
| 1951 | Hypothetica Ross p. 113 |
| 2002 | Entomaspis Jell and Adrain p. 372 |
| 2002 | Entomaspis Sepkoski |
| 2002 | Hypothetica Sepkoski |
| 2021 | Entomaspis Beech and Lamsdell p. 2220 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Jell and Adrain 2002, Aberhan et al. 2004 | |||||
Age range: base of the Trempealeauan to the top of the Stairsian or 492.50000 to 478.60000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | USA (Wisconsin) | E. sp. (256) | |
| Trempealeauan | USA (Missouri) | E. radiatus (98343) | |
| Stairsian | USA (Idaho) | Hypothetica rawi (103822 106389 228261 228262) Hypothetica sp. (228263 228264) |