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Euhystrichoceras

Cephalopoda - Ammonitida - Brancoceratidae

Taxonomy
Euhystrichoceras was named by Spath (1923) [Distribution: Lower Cenomanian; localy frequent in Tunisia, Algeria Texas (USA); rare in Nigeria, France and United Kingdom. Occurence in the Upper Cenomanian is doubtful.]. Its type is Ammonites nicaisei.

It was assigned to Schloenbachiinae by Reyment (1955); to Schloenbachiidae by Spath (1925) and Young (1979); to Ammonoidea by Sepkoski (2002); and to Mortoniceratinae by Kennedy and Wright (1981), Cobban and Kennedy (1989) and Kennedy and Morris (2018).

Synonymy list
YearName and author
1923Euhystrichoceras Spath p. 143
1925Euhystrichoceras Spath
1955Euhystrichoceras Reyment p. 19
1979Euhystrichoceras Young p. 35
1981Euhystrichoceras Kennedy and Wright
1989Euhystrichoceras Cobban and Kennedy
2002Euhystrichoceras Sepkoski, Jr.
2018Euhystrichoceras Kennedy and Morris p. 91

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyAcanthoceratoidea(de Grossouvre 1894)
familyBrancoceratidae
subfamilyMortoniceratinaeDouvillé 1912
genusEuhystrichoceras

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.

Diagnosis
No diagnoses are available