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Redfieldius
Taxonomy
Redfieldius was named by Hay (1899). Its type is Catopterus gracilis. It is the type genus of Redfieldiidae.
It was assigned to Dictyopygidae by Hay (1902) and Rapp (1946); to Catopteridae by Bock (1959); and to Redfieldiidae by Schaeffer and McDonald (1978), Heckert (2004) and Nelson (2006).
It was assigned to Dictyopygidae by Hay (1902) and Rapp (1946); to Catopteridae by Bock (1959); and to Redfieldiidae by Schaeffer and McDonald (1978), Heckert (2004) and Nelson (2006).
Synonyms
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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.
G. †Redfieldius Hay 1899
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†Redfieldius anguilliformis Redfield 1841
†Redfieldius gracilis Redfield 1837
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Invalid names: Redfieldius parvulus Redfield 1841 [synonym]
†Redfieldius minor Newberry 1888
†Redfieldius obrai Bock 1959
†Redfieldius ornatus Newberry 1888
†Redfieldius redfieldi Egerton 1847
Invalid names: Catopterus Redfield 1837 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Schaeffer and N. G. McDonald 1978 | Redfieldius differs from other genera in the family Redfieldiidae in having a strongly tuberculated skull, three parietal bones in a transverse row, and two ovoid suborbital bones in series with the postorbital and dermohyal. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Norian to the top of the Sinemurian or 228.00000 to 190.80000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Norian | USA (Pennsylvania) | Catopterus obrai, Catopterus redfieldi (99375) | |
| Norian | USA (Virginia) | R. gracilis (107271) R. sp. (224089) | |
| Hettangian | USA (Virginia) | R. sp. (107637) | |
| Hettangian | USA (Connecticut) | Catopterus anguilliformis (224082) Catopterus gracilis (51264) R. gracilis (47198) R. gracilis, Catopterus minor, Catopterus ornatus, Catopterus redfieldi (224079) R. sp. (224081) | |
| Hettangian - Sinemurian | USA (Connecticut) | Catopterus gracilis (224080) | |
| Sinemurian | USA (New Jersey) | R. sp., R. gracilis, Catopterus parvulus (187288) |