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Sphaerodontidae
Taxonomy
Sphaerodontidae was named by Giebel (1846). Its type is Sphaerodus.
It was assigned to Merospondyli by Cope (1887); and to Neopterygii by van der Laan (2019).
It was assigned to Merospondyli by Cope (1887); and to Neopterygii by van der Laan (2019).
Subtaxa
Sphaerodus (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1846 | Sphaerodontidae Giebel |
| 1887 | Sphaerodontidae Cope p. 1019 |
| 2019 | Sphaerodontidae van der Laan p. 52 |
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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. †Sphaerodontidae Giebel 1846
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G. †Sphaerodus Agassiz 1833
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†Sphaerodus annularis Agassiz 1839
†Sphaerodus cinctus Agassiz 1839
†Sphaerodus conicus Agassiz 1839
†Sphaerodus crassus Agassiz 1833
†Sphaerodus depressus Agassiz 1839
†Sphaerodus discus Agassiz 1839
†Sphaerodus gigas Agassiz 1833
†Sphaerodus hybridus Münster 1846
†Sphaerodus insignis Van Beneden 1871
†Sphaerodus irregularis Agassiz 1839
†Sphaerodus lens Agassiz 1839
†Sphaerodus minimus Agassiz 1833
†Sphaerodus mitrula Agassiz 1839
†Sphaerodus neocomiensis Gervais 1852
†Sphaerodus oculusserpentis Agassiz 1833
†Sphaerodus parvus Agassiz 1833
†Sphaerodus subannularis Münster 1846
†Sphaerodus submamillaris Münster 1846
†Sphaerodus subradiatus Münster 1846
†Sphaerodus tetragonus Münster 1846
†Sphaerodus truncatus Agassiz 1839
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Carnian to the top of the Early/Lower Albian or 237.00000 to 110.10000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | Hungary | Sphaerodus sp. (156154) | |
| Rhaetian | France (Franche-Comté) | Sphaerodus minimus (149408) | |
| Rhaetian | United Kingdom (Wales) | Sphaerodus sp. (72293) | |
| Late/Upper Oxfordian | Germany (Niedersachsen) | Sphaerodus submamillaris, Sphaerodus subannularis, Sphaerodus hybridus, Sphaerodus tetragonus, Sphaerodus subradiatus, Sphaerodus mitrula, Sphaerodus irregularis (67913) | |
| Late/Upper Berriasian | Germany (Nordrhein-Westfalen) | Sphaerodus sp. (45760) | |
| Hauterivian | Switzerland | Sphaerodus neocomiensis (2198 2256) | |
| Aptian | France | Sphaerodus sp. (2186) | |
| Early/Lower Albian | France (Champagne-Ardenne) | Sphaerodus mitrula, Sphaerodus neocomiensis (55335) | |
| Albian | Switzerland | Sphaerodus globulosus (2166) |