Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Amplexus
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stauriina
Family:
Amplexidae
Formal Genus Name and Reference:
Amplexus SOWERBY, 1814, p. 165
Type Species:
A. coralloides, M, t44115, BM(NH), London, lectotype by Smith & THOMAS, 1963, p. 163
Images
(Click to enlarge in a new window)
Fig. 79,2. *A. coralloides, lectotype, C zone, Eire, Limerick; side view, X0.5 (Sowerby, 1814).
Synonyms
Bordenia
Geographic Distribution
Eu. (Eire-U.K.-Belg.) -Asia(Kazakh.-Japan); Miss., N.Am.(Mont.-lda.-Wyo. Utah-?lnd.-?Ill.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Carb.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Solitary, cylindrical and scolecoid, wall very thin, interseptal ridges indistinguishable, tabulae flat, with downturned edges and with cardinal fossular depression, major septa thin, subequal, continuous vertically only at peripheral edges, but may extend about halfway toward axis as low, short ridges developed only on upper surfaces of tabulae, minor septa commonly not distinguishable, dissepiments absent
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stauriina
Family:
Amplexidae
Formal Genus Name and Reference:
Amplexus SOWERBY, 1814, p. 165
Type Species:
A. coralloides, M, t44115, BM(NH), London, lectotype by Smith & THOMAS, 1963, p. 163
Images
(Click to enlarge in a new window)
Fig. 79,2. *A. coralloides, lectotype, C zone, Eire, Limerick; side view, X0.5 (Sowerby, 1814).
Synonyms
Bordenia
Geographic Distribution
Eu. (Eire-U.K.-Belg.) -Asia(Kazakh.-Japan); Miss., N.Am.(Mont.-lda.-Wyo. Utah-?lnd.-?Ill.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Carb.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Solitary, cylindrical and scolecoid, wall very thin, interseptal ridges indistinguishable, tabulae flat, with downturned edges and with cardinal fossular depression, major septa thin, subequal, continuous vertically only at peripheral edges, but may extend about halfway toward axis as low, short ridges developed only on upper surfaces of tabulae, minor septa commonly not distinguishable, dissepiments absent