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Acanthohalysites
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Tabulata
Order:
Heliolitida
Suborder:
Halysitina
Family:
Halysitidae
Subfamily:
Halysitinae
Formal Genus Name and Reference:
Acanthohalysites HAMADA, 1957b, p. 404
Type Species:
Halysites australis ETHERIDGE, 1898, p. 80, OD, syntypes F4727 (AM690), F3181 (AM691) missing, AM, Sydney
Images
(Click to enlarge in a new window)
Fig. 429,1a,b. *A. australis (Etheridge), syntype, Sil., New S. Wales, 4 to 5 mi. N. of Molong, at the Bell R., a, b, transv., long. secs., X4 (Etheridge, 1904).
Synonyms
Geographic Distribution
Australia(New S.Wales-Queens!.)-Eu.(Gotl.)-Asia (Sev. Zemlya-Japan-China)-N. Am. (Que.-Iowa-Wis.); U.Sil., S.Am.(Venez)
Age Range
Beginning Stage in Treatise Usage:
L.Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
U.Sil.
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Corallum halysitoid; corallites elliptical to prismatic in section, with thick walls, commonly with 12 longitudinal rows of septal spinules and with horizontal or slightly curved tabulae; coenenchymal tubules within ranks quadrangular in section, with closely spaced horizontal diaphragms and lacking spines; tubules at junctions of three to four ranks triangular, triradiate, or quadrilateral in section.
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Tabulata
Order:
Heliolitida
Suborder:
Halysitina
Family:
Halysitidae
Subfamily:
Halysitinae
Formal Genus Name and Reference:
Acanthohalysites HAMADA, 1957b, p. 404
Type Species:
Halysites australis ETHERIDGE, 1898, p. 80, OD, syntypes F4727 (AM690), F3181 (AM691) missing, AM, Sydney
Images
(Click to enlarge in a new window)
Fig. 429,1a,b. *A. australis (Etheridge), syntype, Sil., New S. Wales, 4 to 5 mi. N. of Molong, at the Bell R., a, b, transv., long. secs., X4 (Etheridge, 1904).
Synonyms
Geographic Distribution
Australia(New S.Wales-Queens!.)-Eu.(Gotl.)-Asia (Sev. Zemlya-Japan-China)-N. Am. (Que.-Iowa-Wis.); U.Sil., S.Am.(Venez)
Age Range
Beginning Stage in Treatise Usage:
L.Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
U.Sil.
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Corallum halysitoid; corallites elliptical to prismatic in section, with thick walls, commonly with 12 longitudinal rows of septal spinules and with horizontal or slightly curved tabulae; coenenchymal tubules within ranks quadrangular in section, with closely spaced horizontal diaphragms and lacking spines; tubules at junctions of three to four ranks triangular, triradiate, or quadrilateral in section.