Welcome to the Cnidaria subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Isastrea
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Octocorallia
Order:
Scleractinia
Suborder:
Fungiina
Superfamily:
Agariciicae
Family:
Calamophylliidae
Formal Genus Name and Reference:
Isastrea M.EDW-H., 1851
Type Species:
Astrea helianthoides Goldf., 1827, SD QUENST., 1857
Images
(Click to enlarge in a new window)
Fig. 269,1a. I. limitata (Lamx.), M.Jur.(Bath.), Eng., X2 (94). — Fig. 269,16. l. bonanomii (Koby), U.Jur. (Raur.), Switz., lat. aspect of septum, X4 (71).
Synonyms
Desmastraea, Placastrea, Platastrea
Geographic Distribution
Eu.-Afr.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
M.Jur.
Beginning International Stage:
Aalenian
Fraction Up In Beginning Stage:
0
Beginning Date:
174.7
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Laminar to massive cerioid colonies, corallite walls septothecal to parathecal, but commonly partly absent with septa confluent, corallites mono- or dicentric
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Octocorallia
Order:
Scleractinia
Suborder:
Fungiina
Superfamily:
Agariciicae
Family:
Calamophylliidae
Formal Genus Name and Reference:
Isastrea M.EDW-H., 1851
Type Species:
Astrea helianthoides Goldf., 1827, SD QUENST., 1857
Images
(Click to enlarge in a new window)
Fig. 269,1a. I. limitata (Lamx.), M.Jur.(Bath.), Eng., X2 (94). — Fig. 269,16. l. bonanomii (Koby), U.Jur. (Raur.), Switz., lat. aspect of septum, X4 (71).
Synonyms
Desmastraea, Placastrea, Platastrea
Geographic Distribution
Eu.-Afr.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
M.Jur.
Beginning International Stage:
Aalenian
Fraction Up In Beginning Stage:
0
Beginning Date:
174.7
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Laminar to massive cerioid colonies, corallite walls septothecal to parathecal, but commonly partly absent with septa confluent, corallites mono- or dicentric