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Hyporhinidae
Taxonomy
Hyporhinidae was named by Baur (1893).
It was reranked as the subfamily Hyporhininae by Kuhn (1966).
It was assigned to Amphisbaenidae by Kuhn (1966); to Amphisbaenia by Estes (1983); and to Annulata by Carroll (1988).
It was reranked as the subfamily Hyporhininae by Kuhn (1966).
It was assigned to Amphisbaenidae by Kuhn (1966); to Amphisbaenia by Estes (1983); and to Annulata by Carroll (1988).
Subtaxa
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.
Fm. †Hyporhinidae Baur 1893
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: infrao = infraorder, c = class, subp = subphylum | |||||
| References: Pianka and Vitt 2003, Hendy et al. 2009, Carroll 1988 | |||||
Age range
Maximum range based only on fossils: base of the Chadronian to the top of the Orellan or 37.20000 to 33.30000 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | USA (Wyoming) | Hyporhina tertia (16920) | |
| Orellan | USA (Colorado) | Hyporhina galbreathi (17081) | |
| Orellan | USA (South Dakota) | Hyporhina antiqua (17067) |