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Holcophylloceras polyolcum

Cephalopoda - Phylloceratida - Phylloceratidae

Taxonomy
Ammonites polyolcus was named by Benecke (1865).

It was recombined as Phylloceras polyolcum by Spath (1923); it was recombined as Holcophylloceras polyolcum by Marwick (1953), Grigore (2011) and Grigore (2013).

Sister species lacking formal opinion data
H. baraense, H. calypso, H. chonomphalum, H. mesoicum, H. totricum, H. tyungense, H. ussuriensis

Synonymy list
YearName and author
1865Ammonites polyolcus Benecke p. 182 figs. pl. 7
1923Phylloceras polyolcum Spath p. 296
1953Holcophylloceras polyolcum Marwick p. 115
2011Holcophylloceras polyolcum Grigore p. 195 figs. Pl 2, fig 4
2013Holcophylloceras polyolcum Grigore p. 86 figs. Pl 2, fig 4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderPhylloceratida(Zittel 1884)
superfamilyPhylloceratoidea(Zittel 1884)
familyPhylloceratidaeZittel 1884
subfamilyCalliphylloceratinaeSpath 1927
genusHolcophyllocerasSpath 1927
speciespolyolcum(Benecke 1865)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2009-09-27 10:11:29
Modified: 2009-09-27 12:11:29
Source: o = order, c = class
References: Kiessling 2003, Hendy et al. 2009, Kiessling 2004

Age range: base of the Late/Upper Bathonian to the top of the Kimmeridgian or 167.70000 to 152.10000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Temaikan176.0 - 164.3New Zealand (Auckland) Holcophylloceras polyolcum (233875)
Late/Upper Bathonian - Callovian167.7 - 163.5Iran (Razavi Khorasan) Holcophylloceras polyolcum (234644)
Late/Upper Jurassic161.5 - 145.0France Holcophylloceras polyolcum (198560)
Late/Upper Oxfordian161.2 - 155.7Italy (Trapani) Holcophylloceras polyolcum (36871 36925 36966)
Kimmeridgian157.3 - 152.1Romania Phylloceras polyolcum (198389 198390)
Kimmeridgian157.3 - 152.1Madagascar Holcophylloceras polyolcum (98162 98167)
Early/Lower Kimmeridgian155.7 - 150.8Romania Holcophylloceras polyolcum (198349 198353 198354 198357) Phylloceras polyolcum (198398)
Early/Lower Kimmeridgian155.7 - 150.8Madagascar (Melaky) Holcophylloceras polyolcum (234270)
Early/Lower Kimmeridgian - Late/Upper Kimmeridgian155.7 - 150.8Madagascar Holcophylloceras polyolcum (234301)