PBDB Taxon

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

Hysteroceras

Cephalopoda - Ammonoida - Brancoceratidae

Taxonomy

Hysteroceras was named by Hyatt (1900) [Distribution: Early Upper Albian]. Its type is Ammonites varicosus.

It was assigned to Dipoloceratidae by Haas (1942); to Brancoceratidae by Henderson (1990); to Ammonoidea by Sepkoski (2002); and to Brancoceratinae by Renz (1971), Förster (1975), Cooper and Kennedy (1979), Wright et al. (1996), Szives (2007), Mosavinia et al. (2014).

Species

H. andinum, H. antipodeum, H. binum, H. bucklandi, H. capricornu, H. carinatum, H. choffati (syn. Askoloboceras fastigatum), H. falcicostatum, H. intermedium, H. multifalcatum, H. ootaturense, H. orbignyi (syn. Terasceras subfalcatum, Terasceras improvisum), H. propinquum, H. semileve, H. subbinum (syn. Terasceras falcatum, Terasceras pseudofalcatum), H. varicosum, Komeceras acuticostatum, Petinoceras recuperator, Terascosceras cariniferum

Synonyms

Spathiceras was named by Whitehouse (1927) [Sepkoski's age data: K Albi-u]. Its type is Histrichoceras antipodeus.

It was synonymized subjectively with Hysteroceras by Henderson (1990), Wright et al. (1996).

It was assigned to Ammonoidea by Sepkoski (2002).
Terascosceras was named by Van Hoepen (1944). Its type is Terascosceras cariniferum.

It was synonymized subjectively with Hysteroceras by Henderson (1990), Wright et al. (1996).
Komeceras was named by Van Hoepen (1944). Its type is Komeceras acuticostatum.

It was synonymized subjectively with Hysteroceras by Henderson (1990), Wright et al. (1996).
Askoloboceras was named by Van Hoepen (1944).

It was synonymized subjectively with Hysteroceras by Henderson (1990), Wright et al. (1996).
Petinoceras was named by Van Hoepen (1944). Its type is Petinoceras recuperator.

It was synonymized subjectively with Hysteroceras by Henderson (1990), Wright et al. (1996).
Terasceras was named by van Hoepen (1944).

It was synonymized subjectively with Hysteroceras by Förster (1975).

Synonymy list

Year	Name and author
1900	Hysteroceras Hyatt p. 590
1927	Spathiceras Whitehouse p. 110
1942	Hysteroceras Haas p. 18
1944	Terascosceras Van Hoepen p. 173
1944	Komeceras Van Hoepen p. 180
1944	Askoloboceras Van Hoepen p. 185
1944	Petinoceras Van Hoepen p. 186
1944	Terasceras van Hoepen
1971	Hysteroceras Renz
1975	Hysteroceras Förster p. 217
1979	Hysteroceras Cooper and Kennedy p. 265
1990	Hysteroceras Henderson p. 114
1996	Hysteroceras Wright et al.
2002	Hysteroceras Sepkoski
2002	Spathiceras Sepkoski
2007	Hysteroceras Szives p. 101
2014	Hysteroceras Mosavinia et al. p. 84

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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	Coleoidea	Bather 1888
order	Ammonoida	(Haeckel 1866)
order	Ammonitida	Haeckel 1866
suborder	Ammonitina	Hyatt 1889
superfamily	Acanthoceratoidea	(de Grossouvre 1894)
family	Brancoceratidae
subfamily	Brancoceratinae	Spath 1934
genus	Hysteroceras

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. †Hysteroceras Hyatt 1900

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†Hysteroceras andinum Renz 1971

†Hysteroceras antipodeum Etheridge 1902

†Hysteroceras binum Sowerby 1815

†Hysteroceras binum lobitoensis Haas 1942

†Hysteroceras binum angusteumbilicata Haas 1942

†Hysteroceras bucklandi Spath 1922

†Hysteroceras capricornu Spath 1934

†Hysteroceras carinatum Spath 1922

†Hysteroceras carinatum exigua Haas 1942

†Hysteroceras carinatum robustecostata Haas 1942

†Hysteroceras choffati Spath 1925

Invalid names: Askoloboceras fastigatum Van Hoepen 1944 [synonym]

†Hysteroceras falcicostatum Haas 1942

†Hysteroceras intermedium Haas 1942

†Hysteroceras intermedium compressa Haas 1942

†Hysteroceras multifalcatum van Hoepen 1944

†Hysteroceras ootaturense Stoliczka 1865

†Hysteroceras orbignyi Spath 1922

†Hysteroceras orbignyi minor Haas 1942

Invalid names: Terasceras improvisum van Hoepen 1944 [synonym], Terasceras subfalcatum van Hoepen 1944 [synonym]

†Hysteroceras orbignyi evoluta Haas 1942

†Hysteroceras propinquum Haas 1942

†Hysteroceras semileve Haas 1942

†Hysteroceras semileve densicostata Haas 1942

†Hysteroceras semileve elegans Haas 1942

†Hysteroceras semileve sparsicostata Haas 1942

†Hysteroceras subbinum Spath 1934

Invalid names: Terasceras falcatum van Hoepen 1944 [synonym], Terasceras pseudofalcatum van Hoepen 1944 [synonym]

†Hysteroceras varicosum Sowerby 1824

†Hysteroceras varicosum rarecostata Haas 1942

†Hysteroceras varicosum angolana Haas 1941

Invalid names: Askoloboceras Van Hoepen 1944 [synonym], Komeceras Van Hoepen 1944 [synonym], Petinoceras Van Hoepen 1944 [synonym], Spathiceras Whitehouse 1927 [synonym], Terasceras van Hoepen 1944 [synonym], Terascosceras Van Hoepen 1944 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	10	7.37	5.20	10.3	7.55	1.40
shell diameter	10	22.2	14.8	33.0	22.2	5.08
shell inflation	10	9.38	6.30	15.0	9.20	2.52

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 Middle Albian to the top of the Early/Lower Cenomanian or 110.10000 to 93.90000 Ma

Collections (72 total)

Time interval	Ma	Country or state	Original ID and collection number
Albian	113.2 - 100.5	Madagascar	H. subbinum (98234)
Early/Lower Albian - Late/Upper Albian	113.2 - 100.5	France	H. sp., H. orbignyi, H. subbinum (58861) H. sp., H. varicosum (57922)
Middle Albian	110.1 - 106.3	Nigeria	H. sp. (82769)
Middle Albian - Late/Upper Albian	110.1 - 100.5	Madagascar (Mahajanga)	H. subbinum (86506)
Middle Albian - Late/Upper Albian	110.1 - 100.5	Switzerland	H. orbignyi, H. varicosum (197618)
Late/Upper Albian	106.3 - 100.5	Australia (Northern Territory)	H. sp., H. antipodeum (70245)
Late/Upper Albian	106.3 - 100.5	Argentina (Santa Cruz)	H. leanzai (74299)
Late/Upper Albian	106.3 - 100.5	France	H. binum (58527) H. carinatum (56674) H. orbignyi (58245 58386) H. sp. (56543 56665 56669 56678 58246 58359 58363 58364) H. sp., H. carinatum, H. varicosum (58122) H. sp., H. orbignyi (56552 58126 58431) H. sp., H. orbignyi, H. capricornu (58119) H. sp., H. orbignyi, H. carinatum, H. varicosum, H. capricornu (58125) H. sp., H. subbinum, H. carinatum, H. binum (56554) H. sp., H. varicostum (56523) H. spp. (56848)
Late/Upper Albian	106.3 - 100.5	Netherlands Antilles	H. sp. (82385)
Late/Upper Albian	106.3 - 100.5	Nigeria	H. binum (82770) H. orbignyi, H. semileve, H. binum, H. multifalcatum (82764) H. sp. (82762)
Late/Upper Albian	106.3 - 100.5	Angola	H. choffati, H. orbignyi, H. subbinum, H. falcicostatum, H. intermedium, H. semileve, H. propinquum, H. varicosum, H. binum (83840) H. ootaturense (232171) Schloenbachia varicosa (210888)
Late/Upper Albian	106.3 - 100.5	United Kingdom (England)	H. varicosum (51673)
Late/Upper Albian	106.3 - 100.5	France (Hauts-de-France)	H. orbignyi, H. varicosum (235835)
Late/Upper Albian	106.3 - 100.5	South Africa	H. sp. (66014 66015)
Late/Upper Albian	106.3 - 100.5	Serbia and Montenegro	H. choffati, H. orbignyi, H. subbinum, H. varicosum (239132)
Late/Upper Albian	106.3 - 100.5	Iran	H. orbignyi (174594)
Late/Upper Albian	106.3 - 100.5	Italy	H. orbignyi, H. binum (12838)
Late/Upper Albian	106.3 - 100.5	Madagascar (Mahajanga)	H. orbignyi (98220)
Late/Upper Albian	106.3 - 100.5	North Atlantic	H. subbinum, H. varicosum (74358)
Late/Upper Albian	106.3 - 100.5	Antarctica	H. orbignyi (83366)
Late/Upper Albian	106.3 - 100.5	Colombia	H. andinum (67513 67514 67515 67516 67518 67519 67520 67521 67522 67523 67524 67525 67526) H. sp. (67534 67535)
Late/Upper Albian	106.3 - 100.5	Mozambique	H. choffati, H. orbignyi (174811) H. choffati, H. orbignyi, H. subbinum, H. carinatum (174827) H. orbignyi, H. subbinum (174805)
Late/Upper Albian	106.3 - 100.5	Spain	H. sp. (3823)
Late/Upper Albian	106.3 - 100.5	Venezuela (Lara)	H. choffati, H. orbignyi, H. carinatum, H. andinum, H. bucklandi (87953) H. subbinum, H. carinatum (87956)
Late/Upper Albian	106.3 - 100.5	Madagascar (Antsiranana)	H. pseudovaricostum, H. gracillinum, H. aequatorealis, H. bispinosa, H. laferrerei, H. tectorium, H. choffati, H. orbignyi, H. carinatum, H. binum (98215)
Late/Upper Albian	106.3 - 100.5	USA (California)	H. varicosum (225651)
Cenomanian	100.5 - 93.9	France	H. sp. (58935)
Early/Lower Cenomanian	100.5 - 93.9	France	H. sp. (58890)
Early/Lower Cenomanian - Middle Cenomanian	100.5 - 93.9	France	H. sp. (58626)