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Mathoceras
Taxonomy
Mathoceras was named by Casey (1963) [Sepkoski's age data: K Apti-u]. Its type is Hoplites (Kilianella) matho. It is the type genus of Mathoceratinae.
It was assigned to Ammonoidea by Sepkoski (2002); and to Mathoceratinae by Renz (1982), Wright et al. (1996), Szives (2007) and Barragán and Szives (2007).
It was assigned to Ammonoidea by Sepkoski (2002); and to Mathoceratinae by Renz (1982), Wright et al. (1996), Szives (2007) and Barragán and Szives (2007).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Mathoceras Casey |
| 1980 | Renziella Kvantaiani p. 123 |
| 1980 | Venezuella Kvantaiani p. 123 |
| 1982 | Mathoceras Renz p. 25 |
| 1996 | Mathoceras Wright et al. p. 274 |
| 2002 | Mathoceras Sepkoski |
| 2007 | Mathoceras Barragán and Szives p. 25 |
| 2007 | Mathoceras Szives p. 66 |
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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. †Mathoceras Casey 1963
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†Mathoceras caribense Renz 1978
†Mathoceras celestinae Barragán and Szives 2007
†Mathoceras laeve Renz 1978
†Mathoceras matho Pervinquiére 1907
†Mathoceras neoleonensis Barragán and Szives 2007
†Mathoceras sucre Renz 1978
†Mathoceras sumerensis Stoykova 1990
†Mathoceras venezolanum Renz 1978
Invalid names: Renziella Kvantaiani 1980 [synonym], Venezuella Kvantaiani 1980 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 11.6 | 10.0 | 12.0 | 12.0 | 0.707 | |
| shell diameter | 9 | 31.6 | 28.0 | 35.0 | 31.0 | 2.12 | |
| shell inflation | 9 | 10.8 | 9.00 | 12.0 | 11.0 | 1.05 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Aptian or 122.46000 to 113.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | Mexico (Nuevo Léon) | M. sp., M. venezolanum, M. celestinae, M. neoleonensis (87927) | |
| Late/Upper Aptian | Venezuela (Sucre) | M. venezolanum, M. sucre (87916) | |
| Late/Upper Aptian | Hungary | M. sumerensis (226273) | |
| Late/Upper Aptian | Venezuela (Monagas) | M. caribense, M. laeve (87918) |