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Gregoriidae
Taxonomy
Gregoriidae was named by Lund and Grogan (2004). It is not extant. Its type is Gregorius. It was considered monophyletic by Lund and Grogan (2004).
It was assigned to Euchondrocephali by Lund and Grogan (2004); and to Holocephali by van der Laan (2019).
It was assigned to Euchondrocephali by Lund and Grogan (2004); and to Holocephali by van der Laan (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 2004 | Gregoriidae Lund and Grogan |
| 2019 | Gregoriidae van der Laan p. 37 |
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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.
Fm. †Gregoriidae Lund and Grogan 2004
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G. †Srianta Lund and Grogan 2004
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†Srianta dawsoni Lund and Grogan 2004
†Srianta iarlais Lund and Grogan 2004
†Srianta srianta Lund and Grogan 2004
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Wagner 2023 | |||||
Age range: Arnsbergian or 326.90000 to 323.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arnsbergian | USA (Montana) | Gregorius rexi, Srianta dawsoni, Srianta iarlais, Srianta srianta, Bealbonn rogaire (226838) |