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Physemataspis
Taxonomy
Physemataspis was named by Evitt and Tripp (1977) [Sepkoski's age data: O Llde-u O Cara-l Sepkoski's reference number: 795]. It is not extant. Its type is Physemataspis coopi. It was considered monophyletic by Moss and Westrop (2014).
It was assigned to Phacopida by Sepkoski (2002); and to Encrinurinae by Evitt and Tripp (1977) and Moss and Westrop (2014).
It was assigned to Phacopida by Sepkoski (2002); and to Encrinurinae by Evitt and Tripp (1977) and Moss and Westrop (2014).
Species
P. (Physemataspis), P. (Prophysemataspis), P. coopi (type species), P. insularis, P. mirabilis, P. tholus, P. torulatus
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Physemataspis Evitt and Tripp p. 119 |
| 2002 | Physemataspis Sepkoski |
| 2014 | Physemataspis Moss and Westrop p. 1096 |
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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.
G. †Physemataspis Evitt and Tripp 1977
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Subg. †Physemataspis (Physemataspis) Evitt and Tripp 1977
Subg. †Physemataspis (Prophysemataspis) Lespérance and Desbiens 1995
†Physemataspis coopi Evitt and Tripp 1977
†Physemataspis insularis Shaw 1968
†Physemataspis mirabilis Tripp 1980
†Physemataspis tholus Evitt and Tripp 1977
†Physemataspis torulatus Evitt and Tripp 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Whiterockian | USA (Vermont) | Encrinuroides insularis (103298) | |
| Whiterockian | USA (New York) | Encrinuroides insularis (103001 103002) | |
| Sandbian | United Kingdom (Scotland) | P. mirabilis (208121) | |
| Turinian | USA (Virginia) | Encrinuroides tholus, P. coopi (73342) | |
| Ashbyan | USA (Virginia) | Encrinuroides tholus, P. coopi (73341) Encrinuroides torulatus (105245) | |
| Blackriveran | USA (Virginia) | Encrinuroides tholus (73343) |