PBDB Taxon

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

Mortoniceras (Angolaites)

Cephalopoda - Ammonitida - Brancoceratidae

Taxonomy

Angolaites was named by Spath (1932). Its type is Subschloenbachia gregoryi.

It was reranked as Mortoniceras (Angolaites) by Reyment (1955), Cooper and Kennedy (1979) and Kennedy et al. (1998).

It was assigned to Mortoniceras by Reyment (1955), Cooper and Kennedy (1979) and Kennedy et al. (1998).

Subtaxa

Drakeoceras dellense, Mortoniceras (Angolaites) drakei, Mortoniceras (Angolaites) gregoryi, Mortoniceras (Angolaites) simplex (syn. Pervinquieria vicina, Pervinquieria vicina evoluta), Mortoniceras (Angolaites) wintoni

Synonyms

Praeangolaites was named by Collignon (1979).

It was synonymized subjectively with Angolaites by Kennedy et al. (1998).
Drakeoceras was named by Young (1957). Its type is Drakeoceras drakei.

It was synonymized subjectively with Angolaites by Kennedy et al. (1998).

It was assigned to Mortoniceratinae by Cooper and Kennedy (1979).

Synonymy list

Year	Name and author
1955	Mortoniceras (Angolaites) Reyment p. 37
1957	Drakeoceras Young p. 19
1979	Praeangolaites Collignon p. 41
1979	Mortoniceras (Angolaites) Cooper and Kennedy p. 283
1979	Drakeoceras Cooper and Kennedy p. 293
1998	Mortoniceras (Angolaites) Kennedy et al. p. 24

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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	Acanthoceratoidea	(de Grossouvre 1894)
family	Brancoceratidae
subfamily	Mortoniceratinae	Douvillé 1912
genus	Mortoniceras	Meek 1876
subgenus	Angolaites	(Spath 1932)

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. †Mortoniceras (Angolaites) Spath 1932

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†Mortoniceras (Angolaites) drakei Young 1957

†Mortoniceras (Angolaites) gregoryi Spath 1922

†Mortoniceras (Angolaites) simplex Choffat 1905

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Invalid names: Pervinquieria vicina Haas 1942 [synonym], Pervinquieria vicina evoluta Haas 1942 [synonym]

†Mortoniceras (Angolaites) wintoni Adkins 1920

†Pervinquieria simplex tenuis Haas 1942

Invalid names: Drakeoceras Young 1957 [synonym], Praeangolaites Collignon 1979 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	9	32.4	16.0	49.5	35.8	11.1
shell diameter	9	87.5	39.5	133.0	99.0	31.5
shell inflation	9	30.0	12.5	50.5	34.0	13.4

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: Late/Upper Albian or 105.30000 to 99.60000 Ma

Collections (15 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Albian	105.3 - 99.6	USA (Texas)	Mortoniceras drakei (82364 82366 82368 82370) Mortoniceras sp. (82369) Mortoniceras wintoni (82361)
Late/Upper Albian	105.3 - 99.6	Nigeria	Mortoniceras gregoryi (82735 82773) Mortoniceras wintoni (210701)
Late/Upper Albian	105.3 - 99.6	Angola	Mortoniceras gregoryi, Mortoniceras simplex (232170) Pervinquieria simplex (83840) Schloenbachia inflata (210889) Schloenbachia simplex (210888) Subschloenbachia gregoryi (210842 210843)