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Cribanocrinus
Classification
Phylum:
Echinodermata
Subphylum:
Crinozoa
Class:
Crinoidea
Subclass:
Camerata
Order:
Diplobathrida
Suborder:
Eudiplobathrina
Superfamily:
Rhodocrinitacea
Family:
Rhodocrinitidae
Formal Genus Name and Reference:
Cribanocrinus KIRK, 1944, p. 13
Type Species:
Rhodocrinus wortheni HALL, 1858b, p. 556, OD
Images
(Click to enlarge in a new window)
Fig. 233, 3a, b. *C. wortheni (Hall), L.Miss. Burlington Ls.), Iowa, 3 a, lat. view of crown, x1.5 (Wachsmuth & Springer, 1897), 3b, dorsal view of calyx, x1.5 (Wachsmuth & Springer, 1897). Fig. 233, 3c, d. C. urceolatus (Wachsmuth & Springer), L.Miss. (Lake Valley Ls.), N.Mexico, C D interray and ventral views of theca, x2 (Wachsmuth & Springer, 1897).
Synonyms
Geographic Distribution
L.Miss., USA (Iowa-N. Mexico), L.Carb., Eu.-E.Australia
Age Range
Beginning Stage in Treatise Usage:
L.Miss., L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Miss., L.Carb.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Similar to Rhodocrinites but having subglobose to ovate calyx constricted at arm level, ornamentation lacking or slight, basals and radials large in comparison to primibrachs, fixed secundibrachs 1 or 2 in each half-ray, interradial areas narrow, constricted at arm level, no intertertibrachs, CD interray wider than others, rarely with poorly defined median row of plates
References
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Crinozoa
Class:
Crinoidea
Subclass:
Camerata
Order:
Diplobathrida
Suborder:
Eudiplobathrina
Superfamily:
Rhodocrinitacea
Family:
Rhodocrinitidae
Formal Genus Name and Reference:
Cribanocrinus KIRK, 1944, p. 13
Type Species:
Rhodocrinus wortheni HALL, 1858b, p. 556, OD
Images
(Click to enlarge in a new window)
Fig. 233, 3a, b. *C. wortheni (Hall), L.Miss. Burlington Ls.), Iowa, 3 a, lat. view of crown, x1.5 (Wachsmuth & Springer, 1897), 3b, dorsal view of calyx, x1.5 (Wachsmuth & Springer, 1897). Fig. 233, 3c, d. C. urceolatus (Wachsmuth & Springer), L.Miss. (Lake Valley Ls.), N.Mexico, C D interray and ventral views of theca, x2 (Wachsmuth & Springer, 1897).
Synonyms
Geographic Distribution
L.Miss., USA (Iowa-N. Mexico), L.Carb., Eu.-E.Australia
Age Range
Beginning Stage in Treatise Usage:
L.Miss., L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Miss., L.Carb.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Similar to Rhodocrinites but having subglobose to ovate calyx constricted at arm level, ornamentation lacking or slight, basals and radials large in comparison to primibrachs, fixed secundibrachs 1 or 2 in each half-ray, interradial areas narrow, constricted at arm level, no intertertibrachs, CD interray wider than others, rarely with poorly defined median row of plates