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Lingula
Classification
Phylum:
Brachiopoda
Class:
Lingulata
Order:
Lingulida
Superfamily:
Linguloidea
Family:
Lingulidae
Formal Genus Name and Reference:
Lingula BRUGUIÈRE, 1797, pl. 250
Type Species:
L. anatina LAMARCK, 1801, OD
Images
(Click to enlarge in a new window)
Fig. 8, 1a-f. * L. anatina Lamarck, Holocene, $a, b$, dorsal valve exterior, both valves lateral view, Moreton Bay, Australia, X0.8 (Emig, 1982), $c, d$, ventral valve interior, dorsal valve interior, x0.62$, e, $f$, ventral visceral area, dorsal visceral area, Viti Levu, Fiji, USNM 76709, X1.9 (new)., Fig. 8, Ig, h. L. adamsi Dall, Holocene, Chihli, China, dorsal, ventral pseudointerarea, RMS Br 137380, X3.8 (new).
Synonyms
Pharetra, Ligula, Ligularius, Lingularius
Geographic Distribution
cosmopolitan (exact stratigraphic and geographic distribution of fossil forms is very uncertain)
Age Range
Beginning Stage in Treatise Usage:
Cretaceous, Tertiary
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Holocene
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Shell elongate oval to subrectangular, ventral pseudointerarea with wide triangular pedicle groove, ventral visceral area extending to midvalve, with impression of pedicle nerve curving around unpaired umbonal muscle scar, dorsal interior with visceral area extending somewhat anterior to midvalve, dorsal central and anterior lateral muscle scars closely spaced, bisected by weak median septum, vascula media absent. Shell of living species poorly mineralized laterally.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Lingulata
Order:
Lingulida
Superfamily:
Linguloidea
Family:
Lingulidae
Formal Genus Name and Reference:
Lingula BRUGUIÈRE, 1797, pl. 250
Type Species:
L. anatina LAMARCK, 1801, OD
Images
(Click to enlarge in a new window)
Fig. 8, 1a-f. * L. anatina Lamarck, Holocene, $a, b$, dorsal valve exterior, both valves lateral view, Moreton Bay, Australia, X0.8 (Emig, 1982), $c, d$, ventral valve interior, dorsal valve interior, x0.62$, e, $f$, ventral visceral area, dorsal visceral area, Viti Levu, Fiji, USNM 76709, X1.9 (new)., Fig. 8, Ig, h. L. adamsi Dall, Holocene, Chihli, China, dorsal, ventral pseudointerarea, RMS Br 137380, X3.8 (new).
Synonyms
Pharetra, Ligula, Ligularius, Lingularius
Geographic Distribution
cosmopolitan (exact stratigraphic and geographic distribution of fossil forms is very uncertain)
Age Range
Beginning Stage in Treatise Usage:
Cretaceous, Tertiary
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Holocene
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Shell elongate oval to subrectangular, ventral pseudointerarea with wide triangular pedicle groove, ventral visceral area extending to midvalve, with impression of pedicle nerve curving around unpaired umbonal muscle scar, dorsal interior with visceral area extending somewhat anterior to midvalve, dorsal central and anterior lateral muscle scars closely spaced, bisected by weak median septum, vascula media absent. Shell of living species poorly mineralized laterally.