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Syngastrioceras

Cephalopoda - Goniatitida - Glaphyritidae

Synonyms
Synonymy list
YearName and author
1938Syngastrioceras Librovitch
1971Pseudoglaphyrites Ruzhentsev and Bogoslovskaya p. 292
1975Neogastrioceras Nassichuk p. 95
1997Syngastrioceras Titus p. 160
2000Syngastrioceras Titus pp. 41 - 42
2002Pseudoglaphyrites Sepkoski
2002Syngastrioceras Sepkoski
2006Neogastrioceras Korn
2006Pseudoglaphyrites Korn
2006Syngastrioceras Korn
2009Syngastrioceras Furnish et al. p. 83
2016Syngastrioceras Korn and Sudar p. 210

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderGoniatitidaHyatt 1884
suborderGoniatitinaHyatt 1884
superfamilyGastrioceratoidea()
familyGlaphyritidae
genusSyngastriocerasLibrovitch 1938

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. †Syngastrioceras Librovitch 1938
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Syngastrioceras aktubense Ruzhentsev and Bogoslovskaya 1971
Syngastrioceras cadiconiforme Wagner-Gentis 1963
Syngastrioceras clinei Miller and Owen 1937
Syngastrioceras constrictum Nassichuk 1975
Syngastrioceras dronovi Ruzhentsev and Bogoslovskaya 1978
Syngastrioceras europaeum Kullmann 1962
Syngastrioceras glaphyritoides Ruzhentsev and Bogoslovskaya 1978
Syngastrioceras globosum Easton 1943
Syngastrioceras globulosum Meek and Worthen 1860
Syngastrioceras laxumbilicale Ruzhentsev and Bogoslovskaya 1971
Syngastrioceras oblatum Miller and Moore 1938
Syngastrioceras parasupinum Ruzhentsev and Bogoslovskaya 1978
Syngastrioceras scotti Miller and Youngquist 1948
Syngastrioceras sholakensis Ruzhentsev and Bogoslovskaya 1971
Syngastrioceras supinum Ruzhentsev and Bogoslovskaya 1978
Syngastrioceras ukrainicus Librovitch 1939
Invalid names: Neogastrioceras Nassichuk 1975 [synonym], Pseudoglaphyrites Ruzhentsev and Bogoslovskaya 1971 [synonym]
Diagnosis
ReferenceDiagnosis
A. L. Titus 2000Glaphyritids (neoicoceratins) with no ophio- conic phase, moderately wide to narrow umbilici, a wide ventral lobe with swollen ventral prongs and a frequently constricted base, and a prominent single spiral cord on each umbilical shoulder. Ornament usually broadly prosiradiate over the ventral region,