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Pterocephalops acrophthalma
Taxonomy
Pterocephalops acrophthalma was named by Rasetti (1944). It is not extant. Its type specimen is Laval Univ. 1163a-c, a cephalon/head (cranidium). It is the type species of Pterocephalops.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Pterocephalops acrophthalma Rasetti p. 254 figs. pl. 39, figs. 35-38 |
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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.
†Pterocephalops acrophthalma Rasetti 1944
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: Trempealeauan or 492.50000 to 485.40000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dresbachian | USA (Virginia) | Pterocephalops acrophthalma (62204 62205) | |
| Trempealeauan | Canada (Quebec) | Pterocephalops acrophthalma (224148) |