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Grioceras

Cephalopoda - Goniatitida - Vidrioceratidae

Taxonomy
Martoceras (Grioceras) was named by Toumanskaya (1939).

It was reranked as Grioceras by Leonova (2018).

It was assigned to Martoceras by Toumanskaya (1939); and to Vidrioceratinae by Leonova (2018).

Synonymy list
YearName and author
1939Martoceras (Grioceras) Toumanskaya
2018Grioceras Leonova p. 240

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderGoniatitidaHyatt 1884
suborderGoniatitinaHyatt 1884
superfamilyCycloloboidea(Zittel 1895)
familyVidrioceratidae
subfamilyVidrioceratinaePlummer and Scott 1937
genusGrioceras(Toumanskaya 1939)

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. †Grioceras Toumanskaya 1939
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†Grioceras benedictinum Gemmellaro 1887
†Grioceras burnense Toumanskaya 1931
†Grioceras diblasii Gemmellaro 1887
†Grioceras globosum Gemmellaro 1887
†Grioceras grunewaldti Gemmellaro 1887
†Grioceras longilobatum Liang 1982
†Grioceras multidentatum Toumanskaya 1931
†Grioceras pelagicum Gemmellaro 1887
†Grioceras perspectivum Gemmellaro 1887
†Grioceras saundersi Nassichuk 1977
†Grioceras skinneri Miller 1945
†Grioceras tauricum Toumanskaya 1917
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height199.642.5045.09.5010.3
shell diameter1922.47.0079.021.019.8
shell inflation190.4650.0014.001.501.31

Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:36:55
Modified: 2005-10-06 16:36:08
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: base of the Kungurian to the top of the Wordian or 283.30000 to 264.28000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Kungurian283.3 - 274.4USA (Texas) Peritrochia skinneri (131116)
Kungurian283.3 - 274.4Malaysia (Perak) Prostacheoceras skinneri (62131)
Roadian274.4 - 266.9Ukraine Prostacheoceras tauricum (110830 110835)
Wordian266.9 - 264.28Canada (British Columbia) Martoceras saundersi (62319)
Wordian266.9 - 264.28Italy Stacheoceras globosum, Stacheoceras gruenewaldti, Stacheoceras pelagicum (108671) Stacheoceras globosum, Stacheoceras perspectivum, Stacheoceras benedictinum, Stacheoceras diblasii (108566) Stephanoceras benedictum (233340)
Wordian266.9 - 264.28China (Jilin) Prostacheoceras longilobatum (107783) Stacheoceras shuangyangense (107794)