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Pentaphyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Plerophyllina
Family:
Pentaphyllidae
Subfamily:
Pentaphyllinae
Formal Genus Name and Reference:
Pentaphyllum de KONINCK, 1872, p. 58
Type Species:
P. armatum, SD Hinde, 1890, p. 195, ta586, IRSN, Brussels, Schindewolf (1942, p. 172) considered, from study of monotypes, that $P$. armatum is conspecific with Pentaphyllum caryophyllatum de Koninck, 1872, of which the ontogeny was described by Hudson (1936b, p. 99)
Images
(Click to enlarge in a new window)
Fig. 216, 1a-d. *P. caryophyllatum, low. Visean, Eng., Butterhaw Quarry, Gargrave, near Skipton; a-d, transv. sees., X4 (Hudson, 1936b). --Fig. 216, 1e-i. P. hibernicum (CARRUTHERS); e, ext. view, X2, f-h, another specimen, transv. sees., X4, i, third specimen, transv. sec., X4 (Carruthers, 1919).
Synonyms
Pentaphyllum, Cryptophyllum, ?Heptaphyllum
Geographic Distribution
Eu.(Belg.-U.K.-Eire-Ger.); ?U.Perm., Asia(Timor)
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, small, five septa (cardinal, counter-lateral, and alar) almost reaching axis and thinning adaxially, counter septum rudimentary to short, metasepta stunted, minor septa rudimentary except Km, which may be short, tabulae few, early stages pentaphylloid (five long protosepta, counter septum rudimentary, septa subradial not pinnate in plan, metasepta rudimentary to short)
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Plerophyllina
Family:
Pentaphyllidae
Subfamily:
Pentaphyllinae
Formal Genus Name and Reference:
Pentaphyllum de KONINCK, 1872, p. 58
Type Species:
P. armatum, SD Hinde, 1890, p. 195, ta586, IRSN, Brussels, Schindewolf (1942, p. 172) considered, from study of monotypes, that $P$. armatum is conspecific with Pentaphyllum caryophyllatum de Koninck, 1872, of which the ontogeny was described by Hudson (1936b, p. 99)
Images
(Click to enlarge in a new window)
Fig. 216, 1a-d. *P. caryophyllatum, low. Visean, Eng., Butterhaw Quarry, Gargrave, near Skipton; a-d, transv. sees., X4 (Hudson, 1936b). --Fig. 216, 1e-i. P. hibernicum (CARRUTHERS); e, ext. view, X2, f-h, another specimen, transv. sees., X4, i, third specimen, transv. sec., X4 (Carruthers, 1919).
Synonyms
Pentaphyllum, Cryptophyllum, ?Heptaphyllum
Geographic Distribution
Eu.(Belg.-U.K.-Eire-Ger.); ?U.Perm., Asia(Timor)
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, small, five septa (cardinal, counter-lateral, and alar) almost reaching axis and thinning adaxially, counter septum rudimentary to short, metasepta stunted, minor septa rudimentary except Km, which may be short, tabulae few, early stages pentaphylloid (five long protosepta, counter septum rudimentary, septa subradial not pinnate in plan, metasepta rudimentary to short)