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Coolinia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Orthotetida
Superfamily:
Chilidiopsoidea
Family:
Chilidiopsidae
Formal Genus Name and Reference:
Coolinia BANCROFT, 1949, p. 7
Type Species:
Orthis applanata SALTER, 1846, p. 72, OD
Images
(Click to enlarge in a new window)
Fig. 485, 2a$f .{ }^{*}$ C. applanata (Salter), upper Llandovery, Mayo, Ireland, $a, b$, ventral valve internal mold, latex replica of ventral interior, $\\mathbf{X}_{\\mathbf{2}}$, c, dorsal valve internal mold, $X_{2}$, $d$, latex replica of dorsal interior, $X_{4}$, $e$, ventral valve external mold, $f$, latex replica of ventral exterior, x2$ (new).
Synonyms
Chilidiopsis, Krizistrophia
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Silurian
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Silurian
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Semioval to mucronate, biconvex, parvicostellate mainly by intercalation, fine concentric fila in interspaces, sporadically rugate, pedicle foramen not persisting in adult shell, pseudodeltidium apical, chilidium large, median basal node commonly developed between low cardinal process lobes, socket ridges recurved, ventral muscle scar flabellate, dorsal muscle scar divided by low myophore.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Orthotetida
Superfamily:
Chilidiopsoidea
Family:
Chilidiopsidae
Formal Genus Name and Reference:
Coolinia BANCROFT, 1949, p. 7
Type Species:
Orthis applanata SALTER, 1846, p. 72, OD
Images
(Click to enlarge in a new window)
Fig. 485, 2a$f .{ }^{*}$ C. applanata (Salter), upper Llandovery, Mayo, Ireland, $a, b$, ventral valve internal mold, latex replica of ventral interior, $\\mathbf{X}_{\\mathbf{2}}$, c, dorsal valve internal mold, $X_{2}$, $d$, latex replica of dorsal interior, $X_{4}$, $e$, ventral valve external mold, $f$, latex replica of ventral exterior, x2$ (new).
Synonyms
Chilidiopsis, Krizistrophia
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Silurian
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Silurian
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Semioval to mucronate, biconvex, parvicostellate mainly by intercalation, fine concentric fila in interspaces, sporadically rugate, pedicle foramen not persisting in adult shell, pseudodeltidium apical, chilidium large, median basal node commonly developed between low cardinal process lobes, socket ridges recurved, ventral muscle scar flabellate, dorsal muscle scar divided by low myophore.