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Heliophyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Cyathophyllina
Family:
Zaphrenthidae
Formal Genus Name and Reference:
Heliophyllum HALL in DANA, 1846b, p. 356, as subgenus of Cyathophyllum
Type Species:
Cyathophyllum helianthoides GOLDFUSS, 1826, p. 65, sensu HALL, 1843, p. 209, fig. 4; M; HALL'S specimen not traced; =Heliophyllum halli MILNE EDWARDS & HAIME, 1850, p. lxix, obj., unfigured specimen of MILNE-EDWARDS & HAIME, Z89a, MN, Paris, Dev., Falls of the Ohio)
Images
(Click to enlarge in a new window)
Fig. 192,la-e. -H. halli; a-c, MILNE-EDWARDS & HAIME, 1851, figured specimen, M.Dev.(Eifelan.), Falls of the Ohio, a, ext. view, X 1.0, b, long. sec., X 1.5, c, calical platform showing septa and carinae, enl. (Milne-Edwards & Haime, 1851); d,e, HALL'S figured specimen, Hamilton Gr., W.N.Y., long., transv. secs., X1.0 (Hall, 1876).
Synonyms
Heliophylloides, Heliophyllum venatum, Heliogonium
Geographic Distribution
Australia(Vict.); L.Dev.(Ems.), E.N.Am.-N.Afr.(Alg.); M.Dev.(Eifel.), E.N.Am.- S.Am. (Venez.) -N.Afr. (Mauret.) -Eu. (Spain- ?Ger.); M.Dev.( Gi'·et.), E.N.Am. N.Afr. (Moroc.-Spanish Sahara)-Eu.(Spain)
Age Range
Beginning Stage in Treatise Usage:
L.Dev.(?Siegen.)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
L.Dev.(?Siegen.)
Ending International Stage:
Pragian
Fraction Up In Ending Stage:
100
Ending Date:
410.51
Description
Solitary or weakly fasciculate ?(and astreoid); corallites subcylindrical to trochoid, fossula without distinct tabular depression though cardinal septum may be reduced, and in some counter septum may be short also; in early stages septa may be dilated and in lateral contact; in later stages septa attenuate from periphery inward and attenuate portions in wide dissepimentarium are carinate with widely spaced, mainly yardarm carinae; major septa may extend almost to or to axis and may develop slight axial convolution or less regular flexing; minor septa long, complete; tabularium wide, with horizontal, weakly domed or concave tabular floors, tabulae complete or commonly incomplete; dissepiments numerous, small, globose to subglobose [see SMITH, 1945, p. 25; OLIVER, 1974, p. 174; 1976a, p. 123].
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Cyathophyllina
Family:
Zaphrenthidae
Formal Genus Name and Reference:
Heliophyllum HALL in DANA, 1846b, p. 356, as subgenus of Cyathophyllum
Type Species:
Cyathophyllum helianthoides GOLDFUSS, 1826, p. 65, sensu HALL, 1843, p. 209, fig. 4; M; HALL'S specimen not traced; =Heliophyllum halli MILNE EDWARDS & HAIME, 1850, p. lxix, obj., unfigured specimen of MILNE-EDWARDS & HAIME, Z89a, MN, Paris, Dev., Falls of the Ohio)
Images
(Click to enlarge in a new window)
Fig. 192,la-e. -H. halli; a-c, MILNE-EDWARDS & HAIME, 1851, figured specimen, M.Dev.(Eifelan.), Falls of the Ohio, a, ext. view, X 1.0, b, long. sec., X 1.5, c, calical platform showing septa and carinae, enl. (Milne-Edwards & Haime, 1851); d,e, HALL'S figured specimen, Hamilton Gr., W.N.Y., long., transv. secs., X1.0 (Hall, 1876).
Synonyms
Heliophylloides, Heliophyllum venatum, Heliogonium
Geographic Distribution
Australia(Vict.); L.Dev.(Ems.), E.N.Am.-N.Afr.(Alg.); M.Dev.(Eifel.), E.N.Am.- S.Am. (Venez.) -N.Afr. (Mauret.) -Eu. (Spain- ?Ger.); M.Dev.( Gi'·et.), E.N.Am. N.Afr. (Moroc.-Spanish Sahara)-Eu.(Spain)
Age Range
Beginning Stage in Treatise Usage:
L.Dev.(?Siegen.)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
L.Dev.(?Siegen.)
Ending International Stage:
Pragian
Fraction Up In Ending Stage:
100
Ending Date:
410.51
Description
Solitary or weakly fasciculate ?(and astreoid); corallites subcylindrical to trochoid, fossula without distinct tabular depression though cardinal septum may be reduced, and in some counter septum may be short also; in early stages septa may be dilated and in lateral contact; in later stages septa attenuate from periphery inward and attenuate portions in wide dissepimentarium are carinate with widely spaced, mainly yardarm carinae; major septa may extend almost to or to axis and may develop slight axial convolution or less regular flexing; minor septa long, complete; tabularium wide, with horizontal, weakly domed or concave tabular floors, tabulae complete or commonly incomplete; dissepiments numerous, small, globose to subglobose [see SMITH, 1945, p. 25; OLIVER, 1974, p. 174; 1976a, p. 123].