PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Reynesoceras

Cephalopoda - Ammonitida - Dactylioceratidae

Taxonomy

Reynesoceras was named by Spath (1936) [Sepkoski's age data: J Plie-l J Plie-u Sepkoski's reference number: 302,1066]. It is not extant.

It was assigned to Dactylioceratidae by Smith and Tipper (1996) and Sepkoski (2002); and to Dactylioceratinae by Géczy and Meister (1998), Hillebrandt (2006) and Howarth (2013).

Species

Aveyroniceras ausonicum, Aveyroniceras danielae, Aveyroniceras medolense, R. americanum, R. mortilleti, R. ragazzoni (syn. Ammonites acanthoides, Coeloceras tournadousense), R. subanguinum

Species lacking formal opinion data

R. aegrum, R. inaequiornatum, R. indunense

Synonyms

Aveyroniceras is a genus. It is not extant.

It was synonymized subjectively with Reynesoceras by Howarth (2013).

It was assigned to Dactylioceratidae by Thomson and Smith (1992); and to Ammonoidea by Sepkoski (2002).

Synonymy list

Year	Name and author
1936	Reynesoceras Spath
1992	Aveyroniceras Thomson and Smith p. 31
1996	Reynesoceras Smith and Tipper p. 46
1998	Reynesoceras Géczy and Meister
2002	Aveyroniceras Sepkoski
2002	Reynesoceras Sepkoski
2006	Reynesoceras Hillebrandt p. 225
2013	Reynesoceras Howarth p. 64

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Cephalopoda	Cuvier 1797

Rank	Name	Author
subclass	Ammonoidea	()
order	Ammonitida
suborder	Ammonitina	Hyatt 1889
superfamily	Eoderoceratoidea	(Spath 1929)
family	Dactylioceratidae	Hyatt 1867
subfamily	Dactylioceratinae	Hyatt 1867
genus	Reynesoceras

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. †Reynesoceras Spath 1936

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†Reynesoceras americanum Hillebrandt 2006

†Reynesoceras mortilleti Meneghini 1875

†Reynesoceras ragazzoni Hauer 1861

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Invalid names: Ammonites acanthoides Reynes 1868 [synonym]

†Reynesoceras subanguinum Meneghini 1875

Invalid names: Aveyroniceras [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
diameter	4	25.6	21.0	31.1	25.8	4.17
inflation	4	12.7	10.0	17.5	12.2	3.49
shell height	12	13.7	10.5	16.0	14.5	1.82
shell diameter	12	45.1	27.5	80.0	47.7	14.9
shell inflation	12	22.0	11.4	45.0	23.6	9.49

Composition:

aragoniteo

Environment:

marinec

Locomotion:

fast-movingo

Life habit:

nektonico

Diet:

carnivoreo

Vision:

well-developedc

Created:

2005-01-28 02:27:03

Modified:

2009-10-08 14:14:55

Source: o = order, c = class

References: Kiessling 2004, Kiessling 2003

Age range: base of the Freboldi to the top of the Kunae or 186.70000 to 184.10000 Ma

Collections (67 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Jurassic	201.4 - 174.7	Canada (British Columbia)	R. inaequiornatum (199674 199691) R. spp. (199652 199662 199669) R. spp., R. inaequiornatum (199692)
Pliensbachian	190.8 - 182.7	Austria	R. sp. (218330)
Pliensbachian	190.8 - 182.7	Canada (British Columbia)	R. inaequiornatum, R. sp. (198499) R. sp. (33267 33272 198476) Reynesocoeloceras mortilleti (33141 33265)
Early/Lower Pliensbachian	189.6 - 183.0	Mexico (Sonora)	R. indunense (208262)
Early/Lower Pliensbachian	189.6 - 183.0	Canada (British Columbia)	Aveyroniceras sp. (53553 55583 55607) R. inaequiornatum (198498)
Late/Upper Pliensbachian	189.6 - 183.0	USA (Nevada)	Reynesocoeloceras mortilleti (207921 207923 208006)
Late/Upper Pliensbachian	189.6 - 183.0	Canada (British Columbia)	R. aegrum (53550) R. inaequiornatum (198481) R. sp. (59257 198459 198469 198474) R. spp. (199667)
Late/Upper Pliensbachian	189.6 - 183.0	Morocco	R. ragazzonii (206673 206677) R. sp. (206671 206672 206674)
Margaritatus	189.6 - 183.0	Chile	R. sp. A, R. americanum (181770)
Margaritatus	189.6 - 183.0	Morocco	R. acanthoides (148911) R. mortilleti (148904) R. ragazzoni (148944) R. ragazzonii (148912)
Margaritatus	189.6 - 183.0	Italy	Aveyroniceras danielae (145262) R. ragazzonii (145258 145268 145269 145270) R. ragazzonii, Aveyroniceras ausonicum (145263 145264 145265 145266 145267) R. ragazzonii, Aveyroniceras danielae (145261) R. ragazzonii, Aveyroniceras danielae, R. subanguinum (145260) R. ragazzonii, R. subanguinum (145259) R. sp. (145256 196689 196690) R. subanguinum (145257)
Margaritatus	189.6 - 183.0	Tunisia	Aveyroniceras medolense (170547)
Margaritatus	189.6 - 183.0	Hungary	R. mortilleti (109691 109693) R. ragazzoni (109491 109690) R. sp. (109098)
Freboldi	186.7 - 185.7	Canada (British Columbia)	Reynesocoeloceras mortilleti (33159)
Kunae	185.7 - 184.1	Canada (British Columbia)	R. ragazzonii, Reynesocoeloceras mortilleti (32865 33163) R. sp., Reynesocoeloceras mortilleti (33119) R. spp., R. mortilleti (32812) Reynesocoeloceras mortilleti (32863)