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Gnathorhiza
Taxonomy
Gnathorhiza was named by Cope (1883). It is not extant. Its type is Gnathorhiza serrata.
It was assigned to Petalodontidae by Cope (1883); to Ctenodontidae by Hay (1902); to Lepidosirenidae by Olson (1951), Daly (1973); to Gnathorhizinae by Campbell and Barwick (1990); and to Gnathorhizidae by Miles (1977), Schultze (1993), Schultze (2004).
It was assigned to Petalodontidae by Cope (1883); to Ctenodontidae by Hay (1902); to Lepidosirenidae by Olson (1951), Daly (1973); to Gnathorhizinae by Campbell and Barwick (1990); and to Gnathorhizidae by Miles (1977), Schultze (1993), Schultze (2004).
Species
G. bogdensis, G. bothrotreta, G. dikeloda, G. lozovskii, G. noblensis, G. otschevi, G. pusilla, G. serrata (type species), G. tatarica, G. triassica
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. †Gnathorhiza Cope 1883
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†Gnathorhiza bogdensis Minikh 1977
†Gnathorhiza bothrotreta Berman 1976
†Gnathorhiza dikeloda Olson 1951
†Gnathorhiza lozovskii Minikh 1977
†Gnathorhiza noblensis Olson and Daly 1972
†Gnathorhiza otschevi Minikh 1977
†Gnathorhiza pusilla Cope 1877
†Gnathorhiza serrata Cope 1883
†Gnathorhiza tatarica Minikh 1989
†Gnathorhiza triassica Minikh 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Westphalian A to the top of the Olenekian or 318.70000 to 246.70000 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Westphalian A - Westphalian B | USA (Arizona) | G. serrata (92271) | |
| Virgilian | USA (Kansas) | G. sp. (180633) | |
| Virgilian | USA (New Mexico) | G. sp. (34761) | |
| Gzhelian - Sakmarian | USA (New Mexico) | G. sp. (180989) | |
| Asselian | USA (Nebraska) | G. serrata, G. dikeloda (179619 179620) | |
| Wolfcampian | USA (New Mexico) | G. sp. (180974 181078) | |
| Sakmarian - Artinskian | USA (New Mexico) | G. bothrotreta (180988) | |
| Artinskian | USA (Oklahoma) | G. serrata (79402) | |
| Artinskian - Kungurian | USA (Texas) | G. sp. (85299 85300) | |
| Leonardian | USA (Oklahoma) | G. serrata (84941 87054 180990) G. sp. (163064) | |
| Leonardian | USA (Texas) | G. dikeloda (177006) | |
| Kungurian | USA (Oklahoma) | G. serrata (67945 79531) | |
| Kungurian | USA (Texas) | G. dikeloda (12976 27704 177014) G. serrata (27705) G. serrata, G. dikeloda (67735) G. sp. (90452) | |
| Tatarian | Russian Federation (Orenburg) | G. tatarica (196164) | |
| Late/Upper Severodvinian - Vyatkian | Russian Federation (Orenburg) | G. sp. (93027) G. sp., G. otschevi (93030) | |
| Early/Lower Triassic | Russian Federation (Kostroma) | G. pusilla (159891) | |
| Olenekian | Poland (Malopolskie) | G. sp. (38528) | |
| Olenekian | Russian Federation (Yaroslavl) | G. lozovskii, G. triassica (105043) | |
| Olenekian | Russian Federation (Arkhangelsk) | G. otschevi (94245) |