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Megalytoceratinae

Cephalopoda - Ammonitida - Lytoceratidae

Synonymy list
YearName and author
1927Megalytoceratinae Spath
2010Megalytoceratinae Hoffmann p. 51
2012Megalytoceratinae Galácz and Kassai
2023Megalytoceratinae Whicher et al. p. 232

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyLytoceratoidea(Neumayr 1875)
familyLytoceratidaeNeumayr 1875
subfamilyMegalytoceratinaeSpath 1927
subfamilyMegalytoceratinaeSpath 1927

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.

Subfm. †Megalytoceratinae Spath 1927
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G. †Megalytoceras Buckman 1905
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†Megalytoceras amplum Oppel 1862
†Megalytoceras confusum Buckman 1881
†Megalytoceras kasakovae Beznosov 1958
†Megalytoceras metretum Buckman 1923
†Megalytoceras rasile Vacek 1886
†Megalytoceras rubescens Dumortier 1874
†Megalytoceras trapeza Quenstedt 1886
Invalid names: Asapholytoceras [synonym], Metrolytoceras [synonym]
G. †Nannolytoceras Buckman 1905
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†Nannolytoceras gibbosum Galácz and Kassai 2012
†Nannolytoceras ilanense Stremooukhoff 1923
†Nannolytoceras pygmaeum d'Orbigny 1846
†Nannolytoceras subovale Buckman 1922
Invalid names: Eurystomiceras Beznosov 1958 [synonym], Polystomiceras Spath 1924 [synonym], Polystomites Spath 1931 [synonym]
G. †Perilytoceras Rulleau 1997
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†Perilytoceras belmontense Rulleau 1997
†Perilytoceras jurense Zieten 1833
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Invalid names: Ammonites phyllicinctus Quenstedt 1885 [synonym], Lytoceras sigaloen Buckman 1892 [synonym]
†Perilytoceras perlaevis Denckmann 1887
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 Late/Upper Toarcian to the top of the Late/Upper Bathonian or 180.10000 to 164.70000 Ma

Collections (40 total)


Time interval Ma Country or state Original ID and collection number
Middle Toarcian - Late/Upper Toarcian182.0 - 175.6Morocco (Taza-Al Hoceima-Taounate) Perilytoceras perlaevis (234054)
Late/Upper Toarcian180.1 - 175.6France Perilytoceras belmontense (220484) Perilytoceras denckmanni (167440)
Thouarsense180.1 - 175.6France Lytoceras jurense (148809) Perilytoceras jurense, Perilytoceras perlaevis (167410)
Concavum175.6 - 171.6United Kingdom (England) Megalytoceras confusum (229911 229918) Megalytoceras confusum, Megalytoceras metretum (229910 229919) Megalytoceras confusum, Megalytoceras metretum, Megalytoceras trapeza (229917) Megalytoceras rubescens (229924 229925) Megalytoceras sp. (229926)
Concavum175.6 - 171.6Tunisia Nannolytoceras sturanii (170605)
Early/Lower Aalenian175.6 - 171.6Spain Lytoceras rasile (71713)
Late/Upper Aalenian175.6 - 171.6Ukraine (Transcarpathian) Megalytoceras sp. (197182)
Middle Aalenian175.6 - 171.6Italy (Central Italy ) Nannolytoceras polyhelictum, Nannolytoceras pygmaeum (123679)
Early/Lower Bajocian171.6 - 168.4Spain Nannolytoceras sp. (73294)
Early/Lower Bajocian171.6 - 168.4Hungary Megalytoceras rubescens, Megalytoceras kasakovae (220223) Megalytoceras rubescens, Megalytoceras kasakovae, Nannolytoceras gibbosum (220224) Megalytoceras rubescens, Nannolytoceras polyhelictum, Megalytoceras kasakovae, Nannolytoceras gibbosum (220225) Nannolytoceras polyhelictum (220226)
Humphresianum171.6 - 168.4United Kingdom (England) Nannolytoceras subovale (229889 229927)
Discites171.6 - 167.7United Kingdom (England) Megalytoceras confusum, Megalytoceras trapeza (229916) Megalytoceras metretum (229920 229921)
Laeviuscula171.6 - 167.7United Kingdom (England) Megalytoceras metretum (229922)
Late/Upper Bajocian171.6 - 167.7Egypt Nannolytoceras pygmaeum (184586)
Late/Upper Bajocian171.6 - 167.7Ukraine (Transcarpathian) Nannolytoceras sp., Nannolytoceras tripartitum (197187)
Late/Upper Bajocian171.6 - 167.7Poland (Carpathians) Nannolytoceras sp. (233504)
Late/Upper Bajocian171.6 - 167.7Kenya Nannolytoceras polyhelictum (191123 191124)
Parkinsoni171.6 - 167.7Poland Nannolytoceras tripartitum (186721)
Sauzei171.6 - 167.7United Kingdom (England) Megalytoceras trapeza (229896 229923)
Late/Upper Bajocian - Early/Lower Bathonian171.6 - 164.7Ukraine (Transcarpathian) Nannolytoceras tripartitum (197227)
Bajocian170.3 - 168.3Spain Nannolytoceras sp. (73295)
Bajocian170.3 - 168.3Italy (Central Italy ) Nannolytoceras pygmaeum (123682)
Late/Upper Bathonian167.7 - 164.7Italy Nannolytoceras ilanense (193325)