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Caenisites
Taxonomy
Caenisites was named by Buckman (1925) [Sepkoski's age data: J Sine-l Sepkoski's reference number: 302]. It is not extant. Its type is Caenisites caeneus.
It was synonymized subjectively with Asteroceras by Bremer (1965).
It was assigned to Ammonoidea by Sepkoski (2002); and to Asteroceratinae by Corna and Dommergues (1995), Macchioni et al. (2006) and Howarth (2013).
It was synonymized subjectively with Asteroceras by Bremer (1965).
It was assigned to Ammonoidea by Sepkoski (2002); and to Asteroceratinae by Corna and Dommergues (1995), Macchioni et al. (2006) and Howarth (2013).
Species
C. bordoti, C. brooki, C. caeneus (type species), C. pingue, C. plotti (syn. Ammonites pseudobonnardi), C. pulchellus, C. turneri
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Caenisites Buckman |
| 1953 | Euasteroceras Donovan |
| 1995 | Caenisites Corna and Dommergues |
| 2002 | Caenisites Sepkoski |
| 2006 | Caenisites Macchioni et al. p. 566 |
| 2013 | Caenisites Howarth p. 22 |
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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. †Caenisites Buckman 1925
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†Caenisites bordoti Guérin-Franiatte 1966
†Caenisites brooki Sowerby 1818
†Caenisites caeneus Buckman 1925
†Caenisites pingue Quenstedt 1883
†Caenisites pulchellus Guerin-Franiatte 1966
†Caenisites turneri Sowerby 1824
Invalid names: Euasteroceras Donovan 1953 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 16 | 18.2 | 7.20 | 34.2 | 18.4 | 7.65 | |
| shell diameter | 16 | 50.5 | 27.4 | 90.7 | 53.1 | 19.2 | |
| shell inflation | 16 | 19.7 | 11.3 | 30.8 | 20.4 | 6.63 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Semicostatum to the top of the Early/Lower Pliensbachian or 196.50000 to 183.00000 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hettangian - Sinemurian | Romania | C. plotti (219456) | |
| Sinemurian | Germany | Arietites pinguis (28935) | |
| Sinemurian | United Kingdom (Gloucestershire) | C. sp., C. turneri (204150) | |
| Sinemurian | Mexico (Sonora) | C. brooki (201186) | |
| Early/Lower Sinemurian | Germany | Arietites pinguis (28881 28890 28892 28896) Asteroceras brooki (28885) | |
| Early/Lower Sinemurian | Germany (Baden-Württemberg) | Arietites pinguis (38730) | |
| Early/Lower Sinemurian | United Kingdom (England) | Ammonites turneri (227266) | |
| Early/Lower Sinemurian | Mexico (Sonora) | C. brooki (208240) C. sp., C. brooki (208242 208243) | |
| Early/Lower Sinemurian | France (Bourgogne-Franche-Comté) | C. sp., C. brooki, C. turneri, C. plotti, C. bordoti (234373) | |
| Early/Lower Sinemurian | United Kingdom (Yorkshire) | C. pulchellum (219466) C. sp. (219467) | |
| Semicostatum - Turneri | France | C. brooki, C. turneri, C. plotti (133792) | |
| Turneri | Canada (British Columbia) | C. brooki (150618 150619 150625) C. brooki, C. turneri (150617) C. brooki, C. turneri, C. pulchellus (150552 150630) C. turneri (150553 150620 150629) | |
| Turneri | United Kingdom (England) | C. brooki (158212) | |
| Turneri | France | C. sp., C. brooki, C. turneri, C. bordoti, C. pingue (219984) | |
| Turneri - Obtusum | France | C. pulchellus (219990) | |
| Late/Upper Sinemurian - Early/Lower Pliensbachian | Turkey | Asteroceras turneri (218661) | |
| Early/Lower Pliensbachian | Turkey | Asteroceras turneri (218656) |