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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), 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()
orderAmmonitidaHaeckel 1866
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 Early/Lower Hauterivian to the top of the Late/Upper Campanian or 132.60000 to 72.20000 Ma

Collections (61 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hauterivian132.6 - 125.77Türkiye P. sp. (239980)
Hauterivian132.6 - 125.77France (Provence) P. ptychoceroides (56055)
Late/Upper Hauterivian132.6 - 125.77Hungary P. biassalense (61566)
Early/Lower Barremian125.77 - 121.4Slovakia P. sp. (69129)
Early/Lower Barremian125.77 - 121.4Colombia P. humboldtianum (97673)
Late/Upper Barremian125.77 - 121.4Spain (Murcia) P. puziosianum (2323) P. puzosianum (2325)
Late/Upper Barremian125.77 - 121.4USA (California) P. natrice (225526)
Late/Upper Barremian125.77 - 121.4Italy P. puzosianum (71828)
Early/Lower Aptian121.4 - 119.57Italy P. sp. (82834) P. sp., P. poni (82831)
Early/Lower Aptian121.4 - 119.57France P. emericianum (228368 228369 228370 228371)
Aptian121.4 - 113.2Colombia P. puzosianum (69069)
Aptian121.4 - 113.2Georgia P. sp. (2116)
Late/Upper Aptian119.57 - 113.2Hungary P. laeve (226273)
Late/Upper Aptian119.57 - 113.2USA (California) Diptychoceras laeve (216323 216327 216330 216331 216341 216342 216351 216352 216353 216355 216356 216358)
Late/Upper Aptian119.57 - 113.2Madagascar P. puzosi (83998)
Late/Upper Aptian119.57 - 113.2Argentina P. sp. (63996)
Late/Upper Aptian119.57 - 113.2Russian Federation P. sp. (65755)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (California) Diptychoceras laeve (216370)
Early/Lower Albian113.2 - 110.1France P. laeve (56561) P. sp. (58940)
Early/Lower Albian113.2 - 110.1USA (Alaska) P. laeve (38478 38501 38502 38503 38504 38505 38506 38507 38508 38509 38510 38511 38517 88058 88626)
Early/Lower Albian113.2 - 110.1USA (California) Diptychoceras laeve (216368) Diptychoceras laevis (122334)
Albian113.2 - 100.5Switzerland P. gaultinus (2166)
Albian113.2 - 100.5USA (California) Diptychoceras laeve (225529)
Late/Upper Albian106.3 - 100.5Antarctica P. sp. (83366 83560)
Late/Upper Albian106.3 - 100.5Angola P. fauncei (83840)
Late/Upper Albian106.3 - 100.5Australia (Northern Territory) P. adpressum (70245)
Early/Lower Cenomanian100.5 - 93.9Mexico (Zacatecas) P. gracillimum (87607)
Late/Upper Campanian83.6 - 72.2Antarctica P. sp. (83390)