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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()
orderAmmonitidaHaeckel 1866
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 180.40000 to 165.30000 Ma

Collections (40 total)


Time interval Ma Country or state Original ID and collection number
Middle Toarcian - Late/Upper Toarcian182.9 - 174.7Morocco (Taza-Al Hoceima-Taounate) Perilytoceras perlaevis (234054)
Late/Upper Toarcian180.4 - 174.7France Perilytoceras belmontense (220484) Perilytoceras denckmanni (167440)
Thouarsense180.4 - 174.7France Lytoceras jurense (148809) Perilytoceras jurense, Perilytoceras perlaevis (167410)
Concavum174.7 - 170.9Tunisia Nannolytoceras sturanii (170605)
Concavum174.7 - 170.9United 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)
Early/Lower Aalenian174.7 - 170.9Spain Lytoceras rasile (71713)
Late/Upper Aalenian174.7 - 170.9Ukraine (Transcarpathian) Megalytoceras sp. (197182)
Middle Aalenian174.7 - 170.9Italy (Central Italy ) Nannolytoceras polyhelictum, Nannolytoceras pygmaeum (123679)
Early/Lower Bajocian170.9 - 168.6Spain Nannolytoceras sp. (73294)
Early/Lower Bajocian170.9 - 168.6Hungary Megalytoceras rubescens, Megalytoceras kasakovae (220223) Megalytoceras rubescens, Megalytoceras kasakovae, Nannolytoceras gibbosum (220224) Megalytoceras rubescens, Nannolytoceras polyhelictum, Megalytoceras kasakovae, Nannolytoceras gibbosum (220225) Nannolytoceras polyhelictum (220226)
Humphresianum170.9 - 168.6United Kingdom (England) Nannolytoceras subovale (229889 229927)
Bajocian170.9 - 168.2Spain Nannolytoceras sp. (73295)
Bajocian170.9 - 168.2Italy (Central Italy ) Nannolytoceras pygmaeum (123682)
Discites170.9 - 168.2United Kingdom (England) Megalytoceras confusum, Megalytoceras trapeza (229916) Megalytoceras metretum (229920 229921)
Laeviuscula170.9 - 168.2United Kingdom (England) Megalytoceras metretum (229922)
Parkinsoni170.9 - 168.2Poland Nannolytoceras tripartitum (186721)
Sauzei170.9 - 168.2United Kingdom (England) Megalytoceras trapeza (229896 229923)
Late/Upper Bajocian168.6 - 168.2Ukraine (Transcarpathian) Nannolytoceras sp., Nannolytoceras tripartitum (197187)
Late/Upper Bajocian168.6 - 168.2Poland (Carpathians) Nannolytoceras sp. (233504)
Late/Upper Bajocian168.6 - 168.2Egypt Nannolytoceras pygmaeum (184586)
Late/Upper Bajocian168.6 - 168.2Kenya Nannolytoceras polyhelictum (191123 191124)
Late/Upper Bajocian - Early/Lower Bathonian168.6 - 165.3Ukraine (Transcarpathian) Nannolytoceras tripartitum (197227)
Late/Upper Bathonian168.2 - 165.3Italy Nannolytoceras ilanense (193325)