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Argutastrea
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Columnariina
Family:
Disphyllidae
Subfamily:
Disphyllinae
Formal Genus Name and Reference:
Argutastrea CRICKMAY, 1960, p. 10
Type Species:
* A. arguta, OD, †27036, PRI, Ithaca
Images
(Click to enlarge in a new window)
Fig. 169,5a,b. *A. arguta, M.Dev., Can., W. end of Carcajou Ridge, NW. Terr., a,b, transv., long. secs., X2 (Hill& Jell, 1970b).
Synonyms
Geographic Distribution
N.Am. (Ont.-NW. Terr.-Ellesmere I.-Mich.)-Eu. (Ger.-France-Belg.)-Asia (Armenia-Turkey)-W.Australia, U.Dev.(Frasn.), Asia(Kuzbas-Kwantung)-W.Aus-tralia-N.Am.(NW.Terr.-Alaska)
Age Range
Beginning Stage in Treatise Usage:
M.Dev.
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Cerioid, with deep, bell-shaped calice, septa radially arranged, typically noncarinate but may be faintly carinate in dissepimentarium, septa of both orders dilated in outer dissepimentarium, becoming attenuate adaxially, major septa extended almost to axis or withdrawn, leaving wide axial space, trabeculae monacanths, almost parallel and directed upward and inward from periphery, dissepiments small, subequal, numerous and subglobose, commonly declined at moderate angle toward axis, tabularium variable but commonly biserial with periaxial series of small, adaxially declined plates surrounding series of flat or slightly domed tabellae [HILL & JELL, 1970b, p. 51].
References
Crickmay, C. H., 1960, The older Devonian faunas of the Northwest Territories: 21 p., 11 pl., Evelyn de Mille Books (Calgary).
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Columnariina
Family:
Disphyllidae
Subfamily:
Disphyllinae
Formal Genus Name and Reference:
Argutastrea CRICKMAY, 1960, p. 10
Type Species:
* A. arguta, OD, †27036, PRI, Ithaca
Images
(Click to enlarge in a new window)
Fig. 169,5a,b. *A. arguta, M.Dev., Can., W. end of Carcajou Ridge, NW. Terr., a,b, transv., long. secs., X2 (Hill& Jell, 1970b).
Synonyms
Geographic Distribution
N.Am. (Ont.-NW. Terr.-Ellesmere I.-Mich.)-Eu. (Ger.-France-Belg.)-Asia (Armenia-Turkey)-W.Australia, U.Dev.(Frasn.), Asia(Kuzbas-Kwantung)-W.Aus-tralia-N.Am.(NW.Terr.-Alaska)
Age Range
Beginning Stage in Treatise Usage:
M.Dev.
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Cerioid, with deep, bell-shaped calice, septa radially arranged, typically noncarinate but may be faintly carinate in dissepimentarium, septa of both orders dilated in outer dissepimentarium, becoming attenuate adaxially, major septa extended almost to axis or withdrawn, leaving wide axial space, trabeculae monacanths, almost parallel and directed upward and inward from periphery, dissepiments small, subequal, numerous and subglobose, commonly declined at moderate angle toward axis, tabularium variable but commonly biserial with periaxial series of small, adaxially declined plates surrounding series of flat or slightly domed tabellae [HILL & JELL, 1970b, p. 51].
References
Crickmay, C. H., 1960, The older Devonian faunas of the Northwest Territories: 21 p., 11 pl., Evelyn de Mille Books (Calgary).