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Xystriphyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Ptenophyllina
Family:
Ptenophyllidae
Subfamily:
Ptenophyllinae
Formal Genus Name and Reference:
Xystriphyllum HILL, 1939b, p. 62
Type Species:
Cyathophyllum dunstani ETHERIDGE, 1911, p. 3, OD, †2425, GSQ, Brisbane; lectotype by HtLL, 1939b, p. 63
Images
(Click to enlarge in a new window)
Fig. 154,1a,b. Entelopllylloides inequalis (HALL), L. Dev., N.Y., hill slope 1.4 mi. WSW. of Central Bridge, Schoharie; a,b, transv., long. sees., X2.7 (Hill, n; UQF50371). --Fig. 154,1c,d. Pseudospongophyllum massivum ZHMAEV, Eifel., SW. margin of Kuzbas, R. Bachat, 2.5 km. above Shyndy; c,d, transv., long. sees., X2.0 (Kraevskaya, 1955). --Fig. 154,1e,f. *X. dunstani (ETHERIDGE), lectotype, ?Ems., Douglas Ck. Ls., Queensl., Clermont; e,j, transv., long. sees., X2.7 (Hill, n).
Synonyms
Entelophylloides, ?Kozlowiaphlyllum, ?Shastaphyllum
Geographic Distribution
N.Am. (Yukon-Me.-Que.); L.Dev.-Iow.M.Dev., Australia (Queensl.-New S.Wales Vict.-Tasm.)-Asia( ?Laos-NE. USSR-Taymyr-Kuzbas-Altay-Salair-Fergana)- Eu. (Urals-Czech.-Minorca)-N.Am. (?N.Y.-Alaska- Yukon)
Age Range
Beginning Stage in Treatise Usage:
U.Sil.(Pridol.)
Beginning International Stage:
Pridoli
Fraction Up In Beginning Stage:
0
Beginning Date:
422.73
Ending Stage in Treatise Usage:
U.Sil.(Pridol.)
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Cerioid, with peripheral increase; major septa long, interdigitate or somewhat convolute in tabularium, ?cardinal septum and, in some, ?counter septum may be longer than others; dissepimentarium moderately wide and minor septa may locally thin to disappearance; lonsdaleoid dissepiments sparse; tabular floors close together, slightly concave, with median or axial pit [JELL & HILL, 1970d, p. 100).
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Ptenophyllina
Family:
Ptenophyllidae
Subfamily:
Ptenophyllinae
Formal Genus Name and Reference:
Xystriphyllum HILL, 1939b, p. 62
Type Species:
Cyathophyllum dunstani ETHERIDGE, 1911, p. 3, OD, †2425, GSQ, Brisbane; lectotype by HtLL, 1939b, p. 63
Images
(Click to enlarge in a new window)
Fig. 154,1a,b. Entelopllylloides inequalis (HALL), L. Dev., N.Y., hill slope 1.4 mi. WSW. of Central Bridge, Schoharie; a,b, transv., long. sees., X2.7 (Hill, n; UQF50371). --Fig. 154,1c,d. Pseudospongophyllum massivum ZHMAEV, Eifel., SW. margin of Kuzbas, R. Bachat, 2.5 km. above Shyndy; c,d, transv., long. sees., X2.0 (Kraevskaya, 1955). --Fig. 154,1e,f. *X. dunstani (ETHERIDGE), lectotype, ?Ems., Douglas Ck. Ls., Queensl., Clermont; e,j, transv., long. sees., X2.7 (Hill, n).
Synonyms
Entelophylloides, ?Kozlowiaphlyllum, ?Shastaphyllum
Geographic Distribution
N.Am. (Yukon-Me.-Que.); L.Dev.-Iow.M.Dev., Australia (Queensl.-New S.Wales Vict.-Tasm.)-Asia( ?Laos-NE. USSR-Taymyr-Kuzbas-Altay-Salair-Fergana)- Eu. (Urals-Czech.-Minorca)-N.Am. (?N.Y.-Alaska- Yukon)
Age Range
Beginning Stage in Treatise Usage:
U.Sil.(Pridol.)
Beginning International Stage:
Pridoli
Fraction Up In Beginning Stage:
0
Beginning Date:
422.73
Ending Stage in Treatise Usage:
U.Sil.(Pridol.)
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Cerioid, with peripheral increase; major septa long, interdigitate or somewhat convolute in tabularium, ?cardinal septum and, in some, ?counter septum may be longer than others; dissepimentarium moderately wide and minor septa may locally thin to disappearance; lonsdaleoid dissepiments sparse; tabular floors close together, slightly concave, with median or axial pit [JELL & HILL, 1970d, p. 100).