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Ptychoceras

Cephalopoda - Ammonitida - Ptychoceratidae

Taxonomy
Ptychoceras was named by d'Orbigny (1842) [Sepkoski's age data: K Barr-u K Albi-u]. It is the type genus of Ptychoceratidae.

It was reranked as Hamites (Ptychoceras) by Anderson (1902); it was reranked as Hemiptychoceras (Ptychoceras) by Kennedy (1994).

It was assigned to Hamites by Anderson (1902); to Hemiptychoceras by Kennedy (1994); to Ammonoidea by Sepkoski (2002); and to Ptychoceratidae by Wright (1952), Henderson (1990), Kakabadze and Hoedemaeker (1997), Landra et al. (2000), Szives (2007) and Klein et al. (2007).

Synonymy list
YearName and author
1842Ptychoceras d'Orbigny
1902Hamites (Ptychoceras) Anderson p. 90
1952Ptychoceras Wright
1990Ptychoceras Henderson p. 125
1994Hemiptychoceras (Ptychoceras) Kennedy p. 231
1997Ptychoceras Kakabadze and Hoedemaeker p. 81
2000Ptychoceras Landra et al. p. 38
2002Ptychoceras Sepkoski
2007Ptychoceras Klein et al. p. 264
2007Ptychoceras Szives p. 58

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderAmmonitida
suborderAncyloceratinaWiedmann 1966
superfamilyAncyloceratoidea(Gill 1871)
familyPtychoceratidaeMeek 1876
genusPtychocerasd'Orbigny 1842

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. †Ptychoceras d'Orbigny 1842
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†Ptychoceras adpressum Sowerby 1814
†Ptychoceras emericianum d'Orbigny 1842
†Ptychoceras fauncei Haas 1942
†Ptychoceras laeve Gabb 1869
†Ptychoceras laeve Matheron 1842
†Ptychoceras natrice Anderson 1938
†Ptychoceras poni Simionescu 1898
†Ptychoceras puzosianum d'Orbigny 1842
†Ptychoceras quadratus Gabb 1864
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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: base of the Hauterivian to the top of the Late/Upper Campanian or 132.90000 to 70.60000 Ma

Collections (60 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Hauterivian136.4 - 130.0Hungary P. biassalense (61566)
Hauterivian132.9 - 129.4France (Provence) P. ptychoceroides (56055)
Early/Lower Barremian130.0 - 125.45Czech Republic P. sp. (69129)
Early/Lower Barremian130.0 - 125.45Colombia P. humboldtianum (97673)
Late/Upper Barremian130.0 - 125.45Italy P. puzosianum (71828)
Late/Upper Barremian130.0 - 125.45USA (California) P. natrice (225526)
Barremian129.4 - 125.0Spain (Murcia) P. puziosianum (2323) P. puzosianum (2325)
Aptian125.0 - 113.0Georgia P. sp. (2116)
Aptian125.0 - 113.0Colombia P. puzosianum (69069)
Late/Upper Aptian122.46 - 113.0Argentina P. sp. (63996)
Late/Upper Aptian122.46 - 113.0Hungary P. laeve (226273)
Late/Upper Aptian122.46 - 113.0Russian Federation P. sp. (65755)
Late/Upper Aptian122.46 - 113.0Madagascar P. puzosi (83998)
Late/Upper Aptian122.46 - 113.0USA (California) Diptychoceras laeve (216323 216327 216330 216331 216341 216342 216351 216352 216353 216355 216356 216358)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0USA (California) Diptychoceras laeve (216368 216370)
Early/Lower Aptian121.4 - 122.46France P. emericianum (228368 228369 228370 228371)
Early/Lower Aptian121.4 - 122.46Italy P. sp. (82834) P. sp., P. poni (82831)
Albian113.0 - 100.5France P. gaultinus (2166)
Albian113.0 - 100.5USA (California) Diptychoceras laeve (225529)
Early/Lower Albian112.03 - 109.0France P. laeve (56561) P. sp. (58940)
Early/Lower Albian112.03 - 109.0USA (California) Diptychoceras laevis (122334)
Early/Lower Albian112.03 - 109.0USA (Alaska) P. laeve (38478 38501 38502 38503 38504 38505 38506 38507 38508 38509 38510 38511 38517 88058 88626)
Late/Upper Albian105.3 - 99.6Antarctica P. sp. (83366 83560)
Late/Upper Albian105.3 - 99.6Australia (Northern Territory) P. adpressum (70245)
Late/Upper Albian105.3 - 99.6Angola P. fauncei (83840)
Early/Lower Cenomanian99.6 - 93.5Mexico (Zacatecas) P. gracillimum (87607)
Late/Upper Campanian83.5 - 70.6Antarctica P. sp. (83390)