PBDB Taxon

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Oxycerites (Alcidellus)

Cephalopoda - Ammonitida - Oppeliidae

Taxonomy

Alcidellus was named as a genus. It is not extant.

It was reranked as Oxycerites (Alcidellus) by Parent (1998), Zatoń (2010).

It was assigned to Ammonoidea by Sepkoski (2002); and to Oxycerites by Parent (1998), Zatoń (2010).

Subtaxa

Eohecticoceras biflexuosum, Oxycerites (Alcidellus) subdiscus, Oxycerites (Alcidellus) tenuistriatus

Species lacking formal opinion data

Alcidellus obsoletoides, Alcidellus tenuistriatus, Alcidellus tenuitriatus, Oxycerites aspioides, Oxycerites costatus, Oxycerites discus, Oxycerites fallax, Oxycerites greppini, Oxycerites seebachi

Entered

by J. Sepkoski on 2003-01-23; modified by A. Kocsis on 2019-02-25

Synonyms

Eohecticoceras is a genus. It is not extant.

It was synonymized subjectively with Alcidellus by Riccardi and Westermann (1999).

It was assigned to Ammonoidea by Sepkoski (2002).
Eoheteroceras was named by Vasícek and Wiedmann (1994) [Sepkoski's age data: K Barr-l K Barr-u]. It is not extant.

It was synonymized subjectively with Alcidellus by Riccardi and Westermann (1999).

It was assigned to Ammonoidea by Sepkoski (2002).

Synonymy list

Year	Name and author
1994	Eoheteroceras Vasícek and Wiedmann p. 226
1998	Oxycerites (Alcidellus) Parent p. 76
2002	Alcidellus Sepkoski
2002	Eohecticoceras Sepkoski
2002	Eoheteroceras Sepkoski
2010	Oxycerites (Alcidellus) Zatoń p. 86

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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	Haeckel 1866
suborder	Haploceratina
superfamily	Haploceratoidea	(Zittel 1884)
family	Oppeliidae	Bonarelli 1894
genus	Oxycerites
subgenus	Alcidellus

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.

Subg. †Oxycerites (Alcidellus)

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†Oxycerites (Alcidellus) subdiscus d'Orbigny 1846

†Oxycerites (Alcidellus) tenuistriatus de Grossouvre 1888

Invalid names: Eohecticoceras [synonym], Eoheteroceras Vasícek and Wiedmann 1994 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean
shell height	1	42.2
shell diameter	1	83.3
shell inflation	1	12.7

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 2003, Kiessling 2004

Age range: base of the Late/Upper Bathonian to the top of the Early/Lower Barremian or 168.20000 to 121.40000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Bathonian	168.2 - 165.3	Argentina (Neuquén)	Alcidellus tenuitriatus (235861)
Early/Lower Bathonian	168.2 - 165.3	Iran (Damghan)	Oxycerites tenuistriatus (199163)
Early/Lower Bathonian - Middle Bathonian	168.2 - 165.3	Germany	Eohecticoceras sp. (62252)
Late/Upper Bathonian	168.2 - 165.3	Argentina (Neuquen)	Alcidellus obsoletoides (158968) Oxycerites tenuistriatus (158973)
Late/Upper Bathonian	168.2 - 165.3	Poland	Oxycerites tenuistriatus (186797)
Early/Lower Barremian	125.77 - 121.4	Mexico	Eoheteroceras sp. (60779)