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Dentalium
Classification
Phylum:
Mollusca
Class:
Scaphopoda (tusk shells)
Family:
Dentaliidae
Formal Genus Name and Reference:
Dentalium LINNÉ, 1758
Type Species:
D. elephantinum, SD MONTFORT, 1810
Images
(Click to enlarge in a new window)
Fig. 30,4. D. (D.) elephantinum LinnÉ, Rec., AsiaE.Indies, × 0.5 (Pilsbry & Sharp, 1897)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
M.Trias.
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Shell curved and tapering, longitudinally sculptured, smooth or annulated, Embryonic whorls minute, fragile, and lost at an early growth stage, Apex commonly modified by a slit or notch due to absorption, Anterior aperture circular, or oblique, in many forms modified by longitudinal ribbing
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Scaphopoda (tusk shells)
Family:
Dentaliidae
Formal Genus Name and Reference:
Dentalium LINNÉ, 1758
Type Species:
D. elephantinum, SD MONTFORT, 1810
Images
(Click to enlarge in a new window)
Fig. 30,4. D. (D.) elephantinum LinnÉ, Rec., AsiaE.Indies, × 0.5 (Pilsbry & Sharp, 1897)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
M.Trias.
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Shell curved and tapering, longitudinally sculptured, smooth or annulated, Embryonic whorls minute, fragile, and lost at an early growth stage, Apex commonly modified by a slit or notch due to absorption, Anterior aperture circular, or oblique, in many forms modified by longitudinal ribbing