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Ptychophylloceras
Taxonomy
Ptychophylloceras was named by Spath (1927) [Sepkoski's age data: J Toar-u J Tith]. Its type is Phylloceras feddeni.
It was assigned to Phylloceratidae by Avram and Gradinaru (1993) and Zeiss et al. (1994); to Calliphylloceratinae by Wright et al. (1996) and Arkadiev et al. (2000); to Phylloceratitida by Sepkoski (2002); to Ptychophylloceratinae by Reboulet (1996), Lukeneder (2004), Murphy and Rodda (2006), Grigore (2011), Grigore (2013) and Sato and Yamada (2014); and to Phylloceratinae by Pallini et al. (2004) and Majidifard (2015).
It was assigned to Phylloceratidae by Avram and Gradinaru (1993) and Zeiss et al. (1994); to Calliphylloceratinae by Wright et al. (1996) and Arkadiev et al. (2000); to Phylloceratitida by Sepkoski (2002); to Ptychophylloceratinae by Reboulet (1996), Lukeneder (2004), Murphy and Rodda (2006), Grigore (2011), Grigore (2013) and Sato and Yamada (2014); and to Phylloceratinae by Pallini et al. (2004) and Majidifard (2015).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1927 | Ptychophylloceras Spath |
1993 | Ptychophylloceras Avram and Gradinaru p. 671 |
1994 | Ptychophylloceras Zeiss et al. p. 370 |
1996 | Ptychophylloceras Reboulet p. 188 |
1996 | Ptychophylloceras Wright et al. p. 2 |
2000 | Ptychophylloceras Arkadiev et al. p. 97 |
2002 | Ptychophylloceras Sepkoski |
2004 | Ptychophylloceras Lukeneder p. 49 |
2004 | Ptychophylloceras Pallini et al. p. 5 |
2006 | Ptychophylloceras Murphy and Rodda p. 45 |
2011 | Ptychophylloceras Grigore p. 198 |
2013 | Ptychophylloceras Grigore p. 90 |
2014 | Ptychophylloceras Sato and Yamada p. 28 |
2015 | Ptychophylloceras Majidifard p. 27 |
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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. †Ptychophylloceras Spath 1927
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Subg. †Ptychophylloceras (Tatrophylloceras) Beznosov 1958
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†Ptychophylloceras (Tatrophylloceras) hommairei d'Orbigny 1848
†Ptychophylloceras chonomphalum Vacek 1886
†Ptychophylloceras diphyllum d'Orbigny 1841
†Ptychophylloceras euphyllum Neumayr 1871
†Ptychophylloceras feddeni Waagen 1875
†Ptychophylloceras flabellatum Neumayr 1871
†Ptychophylloceras lardyi Oooster 1860
†Ptychophylloceras plasticum Burckhardt 1927
†Ptychophylloceras popenoei Murphy and Rodda 2006
†Ptychophylloceras ptychoicum Quenstedt 1845
†Ptychophylloceras saintoursi Collignon 1958
†Ptychophylloceras tatricum Pusch 1837
Diagnosis
Reference | Diagnosis | |
---|---|---|
M. A. Murphy and P. U. Rodda 2006 | As for the subfamily. [A subfamily of Phylloceratidae with smooth or faintly ribbed, moderately inflated shells with periodic partial collars on the periphery of the shell and periodic periumbilical constrictions; suture with diphyllic main saddles.] |
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
height | 5 | 38.1 | 25.0 | 49.0 | 45.0 | 12.9 | |
diameter | 5 | 75.0 | 38.0 | 93.0 | 90.0 | 23.3 | |
inflation | 5 | 6.21 | 4.00 | 12.0 | 5.00 | 4.36 | |
shell height | 3 | 22.1 | 15.0 | 35.1 | 20.5 | 10.4 | |
shell diameter | 3 | 40.0 | 26.6 | 65.0 | 37.0 | 19.9 | |
shell inflation | 3 | 4.27 | 2.50 | 10.4 | 3.00 | 4.42 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Hendy et al. 2009, Kiessling 2004 |
Age range: base of the Early/Lower Toarcian to the top of the Late/Upper Hauterivian or 183.00000 to 130.00000 Ma
Collections (85 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Toarcian | Ukraine (Transcarpathian) | P. sp. (197050) | |
Late/Upper Toarcian | Italy (Sicily) | P. chonomphalum (151228) | |
Early/Lower Aalenian | Spain | P. chonomphallum (71713) | |
Middle Aalenian | Spain | P. chonomphallum (71716) | |
Middle Aalenian | Italy (Central Italy ) | P. longa, P. rosiwali (123679) | |
Late/Upper Bajocian | Kenya | P. lardyi (191123) P. longarae (191124) | |
Late/Upper Bajocian | Ukraine (Transcarpathian) | P. sp. (197187) | |
Bajocian | Italy (Central Italy ) | P. longarae (123681) | |
Bathonian | Iran | P. sp. (175754) | |
Middle Bathonian | Madagascar (Toamasina) | P. saintoursi (234064) P. saintoursi, P. flabellatum (234065) | |
Late/Upper Bathonian - Callovian | Iran (Razavi Khorasan) | P. euphyllum (234643) P. euphyllum, P. hommairei (234641) P. hommaire, P. euphyllum (234645) P. hommairei (234644 234646) | |
Late/Upper Bathonian - Early/Lower Callovian | Madagascar (Toliara) | P. feddeni (98168) | |
Late/Upper Bathonian - Middle Callovian | Mexico (Guerrero) | Phylloceras plasticum (233959) | |
Callovian - Oxfordian | India | P. insulare, P. feddeni, P. ptychoicum (68644) P. jaraense, P. insulare (68647) | |
Early/Lower Callovian | Madagascar (Toliara) | P. feddeni (98171) | |
Early/Lower Callovian | Madagascar (Boeny) | P. euphyllum (234096 234097) P. flabellatum (234099) | |
Early/Lower Callovian | Madagascar | P. feddeni (98165 98169) P. flabellatum (98126 98129 98153 98159 98172 98184 98185) P. jaraense (98094) P. jaraense, P. feddeni (98194) P. saintoursi (234094) | |
Middle Callovian | Madagascar | P. antecedens (98166) P. euphylum (98183) P. flabellatum (98179) P. vivaricum (98173) | |
Middle Callovian | Madagascar (Boeny) | P. flabellatum (234115) | |
Oxfordian | Madagascar | P. jaraense (98093) P. jaraense, P. empedoclis (98213) P. jaraense, P. ptychoicum (98177) P. ptychoicum (98176) P. subtychoicum (98192) | |
Late/Upper Jurassic | France | P. ptychoicum (198560) | |
Early/Lower Oxfordian | Switzerland | Calliphylloceras euphyllum (171491) | |
Late/Upper Oxfordian | Madagascar (Atsimo-Andrefana) | P. jaraense (234237) P. subptychoicum (234264) | |
Middle Oxfordian | Japan | P. euphyllum (182856) | |
Kimmeridgian | Madagascar | P. ptychoicum (98167) | |
Early/Lower Kimmeridgian | Madagascar (Melaky) | P. ptychoicum (234270) | |
Early/Lower Kimmeridgian - Late/Upper Kimmeridgian | Madagascar | P. ptychoicum (234301) | |
Tithonian | Italy | P. ptychoicum (155054 155055) P. ptychoycum (155052) | |
Tithonian | China | P. lanonglaensis (64865) | |
Tithonian - Berriasian | Russian Federation | P. ptychoicum (213004) | |
Early/Lower Tithonian | Italy | P. ptychoicum (184795 184800 184803 184806) | |
Early/Lower Tithonian | Italy (Ancona) | P. ptychoicum (46535 46537 46541) | |
Early/Lower Tithonian | Italy (Trapani) | P. ptychoicum (36992) | |
Early/Lower Tithonian | Hungary | P. ptychoicum (23872) | |
Early/Lower Tithonian | Romania | Phylloceras ptychoicum (198511) P. ptychoicum (198318 198319) | |
Late/Upper Tithonian | Italy (Trapani) | P. ptychoicum (37018 37028) | |
Late/Upper Berriasian | Italy (Trapani) | P. ptychoicum (37035) | |
Middle Berriasian | France | P. ptychoicum (11871) | |
Berriasian | Ukraine (Crimea) | P. sp. (124875) | |
Berriasian | Ukraine | P. inordinatum (163878) P. ptychoicum (183168) | |
Early/Lower Valanginian | Ukraine | P. ptychoicum (183273) | |
Late/Upper Valanginian | Romania | P. diphyllum (69198) | |
Late/Upper Valanginian | Austria | P. ptychoicum (64831 69107) P. sp. (69111) | |
Late/Upper Hauterivian | Hungary | P. sp. (61566) |