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Lamellaptychus
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Aptychi
Suborder:
Bivalved types (Atptychi proper)
Formal Genus Name and Reference:
Lamellaptychus TRAUTH, 1927 (33, p. 189, 228)
Type Species:
Trigonellites lamellosus PARKINSON, 1811 (24, p. 184, pl. 13, fig. 10-11), SD Moore-S.B., herein
Images
(Click to enlarge in a new window)
Fig. 557,4. *L. lamellosus lamellosus (Parkinson), U.Jur., Ger., 4a,b, exterior and transv. sec., x1 (Meyer).-Fig. 558, 7. L. lamellosus solenoides (Schloth. ), U.Jur., Ger., exterior, x1 (Quenstedt).
Synonyms
Trigonellites, Solenites, Aptychus, Muensteria, Palaptychus
Geographic Distribution
Eu.-N.Afr.
Age Range
Beginning Stage in Treatise Usage:
M.Jur.
Beginning International Stage:
Aalenian
Fraction Up In Beginning Stage:
0
Beginning Date:
174.7
Ending Stage in Treatise Usage:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Narrow-valved, surface covered with strong oblique folds. Narrow diaptychi with outer surface covered by strong oblique folds, calcareous. [Typically V.lllr. Oppeliidae, incl. Taramelliceras, Neochetoceras, Haploceras, Oppelia (Raj'), ?Oecotrat/stesJ.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Aptychi
Suborder:
Bivalved types (Atptychi proper)
Formal Genus Name and Reference:
Lamellaptychus TRAUTH, 1927 (33, p. 189, 228)
Type Species:
Trigonellites lamellosus PARKINSON, 1811 (24, p. 184, pl. 13, fig. 10-11), SD Moore-S.B., herein
Images
(Click to enlarge in a new window)
Fig. 557,4. *L. lamellosus lamellosus (Parkinson), U.Jur., Ger., 4a,b, exterior and transv. sec., x1 (Meyer).-Fig. 558, 7. L. lamellosus solenoides (Schloth. ), U.Jur., Ger., exterior, x1 (Quenstedt).
Synonyms
Trigonellites, Solenites, Aptychus, Muensteria, Palaptychus
Geographic Distribution
Eu.-N.Afr.
Age Range
Beginning Stage in Treatise Usage:
M.Jur.
Beginning International Stage:
Aalenian
Fraction Up In Beginning Stage:
0
Beginning Date:
174.7
Ending Stage in Treatise Usage:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Narrow-valved, surface covered with strong oblique folds. Narrow diaptychi with outer surface covered by strong oblique folds, calcareous. [Typically V.lllr. Oppeliidae, incl. Taramelliceras, Neochetoceras, Haploceras, Oppelia (Raj'), ?Oecotrat/stesJ.