Home Plot Diversity Curves Tree of Life About Admin Login

Welcome to the Treatise on Invertebrate Paleontology!

Please enter a genera name to retrieve more information.

Search By:
and Class
and Order

Madracis

Classification

    Phylum:  
Cnidaria
    Class:  
Anthozoa
    Subclass:  
Octocorallia
    Order:  
Scleractinia
    Suborder:  
Astrocoeniina
    Family:  
Pocilloporidae
    Formal Genus Name and Reference:  
Madracis M.EDW-H., 1849
    Type Species:  
M. asperula


Images

(Click to enlarge in a new window)

Fossil Image
Fig. 263,4a. *M. asperula, Rec., 15 m depth, Porto Rico, X10 (195). -- Fig. 263,4b. M. mirabilis Duch. & Mich., Rec., Porto Rico, X1 (195)


Synonyms

Axhelia, Axohelia, Reussia, Pentalophora, Pstylopsammia


Geographic Distribution

U.Cret.-Rec., ?Eu.-IndoPac.-N.Am.-W.Indies


Age Range

    Beginning Stage in Treatise Usage:  
U.Cret.
    Beginning International Stage:  
Cenomanian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
100.5
    Ending Stage in Treatise Usage:  
Rec.
    Ending International Stage:  
Meghalayan
    Fraction Up In Ending Stage:  
100
    Ending Date:  
0


Description

Ramose to submassive, Septa well developed with smooth margins, higher cycles reduced to spines, arranged in groups of 8 or 10, Columella styliform, prominent




References



Museum or Author Information