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Mellita
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sea urchins) - Superorder Neognathostomata (sand dollars)
Order:
Clypeasteroida (sand dollars)
Suborder:
Scutellina
Family:
Mellitidae
Formal Genus Name and Reference:
Mellita L. AGASSIZ, 1841, p. 34
Type Species:
*Echinodiscus quinquiesperforatus Leske, p. 197 (=Mellita testudinata Klein, 1734), SD POMEL, 1883, p. 71
Images
(Click to enlarge in a new window)
Fig. 373,1. *M. quinquiesperforata (Leske), Rec., Puerto Rico, la-c, aboral, oral, lat. views, X0.7 (6)
Synonyms
Geographic Distribution
N.Am., S.Am., W.Indies
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Thin, flattened, ambitus sharp, paired ambulacral lunules only, lunules narrow, elongate, normally closed, anterior paired petals shortest, others about equal, peristome and apical system slightly anterior, 4 genital pores, posterior interambulacrum continuous
References
Agassiz, Louis, 1841, Monographies d'échinodermes vivants et fossiles. Sec. mon., Des Scutelles: 151 p., 27 pl., Petitpierre (Neuchâtel).
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sea urchins) - Superorder Neognathostomata (sand dollars)
Order:
Clypeasteroida (sand dollars)
Suborder:
Scutellina
Family:
Mellitidae
Formal Genus Name and Reference:
Mellita L. AGASSIZ, 1841, p. 34
Type Species:
*Echinodiscus quinquiesperforatus Leske, p. 197 (=Mellita testudinata Klein, 1734), SD POMEL, 1883, p. 71
Images
(Click to enlarge in a new window)
Fig. 373,1. *M. quinquiesperforata (Leske), Rec., Puerto Rico, la-c, aboral, oral, lat. views, X0.7 (6)
Synonyms
Geographic Distribution
N.Am., S.Am., W.Indies
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Thin, flattened, ambitus sharp, paired ambulacral lunules only, lunules narrow, elongate, normally closed, anterior paired petals shortest, others about equal, peristome and apical system slightly anterior, 4 genital pores, posterior interambulacrum continuous
References
Agassiz, Louis, 1841, Monographies d'échinodermes vivants et fossiles. Sec. mon., Des Scutelles: 151 p., 27 pl., Petitpierre (Neuchâtel).