Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Paroniceras
Taxonomy
Paroniceras was named by Bonarelli (1893) [Sepkoski's age data: J Toar-l J Toar-u Sepkoski's reference number: 302]. It is not extant.
It was synonymized subjectively with Cymbites by Buckman (1894).
It was assigned to Ammonoidea by Sepkoski (2002); and to Bouleiceratinae by Howarth (2013).
It was synonymized subjectively with Cymbites by Buckman (1894).
It was assigned to Ammonoidea by Sepkoski (2002); and to Bouleiceratinae by Howarth (2013).
Species
Synonymy list
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Paroniceras Bonarelli 1893
show all | hide all
†Paroniceras bisbinensis Renz 1922
†Paroniceras helveticum Renz 1922
†Paroniceras sternale d'Orbigny 1845
†Paroniceras substernale Pelosio 1968
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
shell height | 6 | 24.6 | 17.4 | 31.0 | 26.2 | 5.42 | |
shell diameter | 6 | 49.1 | 39.4 | 64.0 | 45.8 | 10.9 | |
shell inflation | 6 | 11.5 | 8.00 | 16.0 | 12.2 | 3.60 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: Middle Toarcian or 182.90000 to 180.40000 Ma
Collections (29 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Toarcian | France | P. sp. (210861) P. sternale (210796 210798 210799 210800) | |
Middle Toarcian | Canada (British Columbia) | P. sternale (59234) | |
Bifrons | France | P. sternale (170439) | |
Variabilis | France | P. sternale (161665) | |
Variabilis | Spain | P. sp. (146946 146947 146951) P. sternale (126490 126491 126492 126497 126501 126505 126506 126510 126512 126515) | |
Variabilis | Hungary | P. sternale (108060 108080 108471 108472 149373) P. sternale, P. substernale, P. helveticum (108079) P. substernale (108044) | |
Variabilis | France (Deux-Sevrès) | P. sternale, P. helveticum (140898) |