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Lonsdaleia
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lonsdaleiina
Family:
Axophyllidae
Formal Genus Name and Reference:
Lonsdaleia MCCOY, 1849, p. 11
Type Species:
Erismatolithus madreporites (duplicatus) MARTIN, 1809, p. 20; validated by ICZN Op. 419; +neotype, A2149, SM, Cambridge; by SMITH, 1916, p. 268
Images
(Click to enlarge in a new window)
Fig. 262,2a-c. *L. duplicata (MARTIN); a, neotype, Visean, Derbyshire, top of Crick Hill, SE. of Matlock, transv. sec., X 1.5; b,c, another specimen, Visean, Merionethshire, Hafod-y-calch, Carwen, transv., long. sees., X2.0 (Smith, 1916).
Synonyms
Geographic Distribution
Eu. (U. K.-France-Belg.-Ger.-Moscow Basin-Urals-Donbas-N. Zemlya)-Asia (Japan-?China)-?N.Am.(Nova Scotia)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
U.Carb.(Namur.)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
48.4
Ending Date:
319.4
Description
Phaceloid, increase peripheral or lateral, nonparricidal, axial column well-defined, with medial plate derived from cardinal septum, radial lamellae, and axial tabellae, or less commonly with irregularly curved and thickened lamellae and axial tabellae, or sporadically absent; pericolumnar tabulae slightly concave or slightly declined outward or inward; minor septa commonly weakly developed, dissepimentarium lonsdaleoid; fossula not distinct. [SMITH, 1916, p. 238].
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lonsdaleiina
Family:
Axophyllidae
Formal Genus Name and Reference:
Lonsdaleia MCCOY, 1849, p. 11
Type Species:
Erismatolithus madreporites (duplicatus) MARTIN, 1809, p. 20; validated by ICZN Op. 419; +neotype, A2149, SM, Cambridge; by SMITH, 1916, p. 268
Images
(Click to enlarge in a new window)
Fig. 262,2a-c. *L. duplicata (MARTIN); a, neotype, Visean, Derbyshire, top of Crick Hill, SE. of Matlock, transv. sec., X 1.5; b,c, another specimen, Visean, Merionethshire, Hafod-y-calch, Carwen, transv., long. sees., X2.0 (Smith, 1916).
Synonyms
Geographic Distribution
Eu. (U. K.-France-Belg.-Ger.-Moscow Basin-Urals-Donbas-N. Zemlya)-Asia (Japan-?China)-?N.Am.(Nova Scotia)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
U.Carb.(Namur.)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
48.4
Ending Date:
319.4
Description
Phaceloid, increase peripheral or lateral, nonparricidal, axial column well-defined, with medial plate derived from cardinal septum, radial lamellae, and axial tabellae, or less commonly with irregularly curved and thickened lamellae and axial tabellae, or sporadically absent; pericolumnar tabulae slightly concave or slightly declined outward or inward; minor septa commonly weakly developed, dissepimentarium lonsdaleoid; fossula not distinct. [SMITH, 1916, p. 238].