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Schuleridea
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytherideidae
Subfamily:
Cytherideinae
Formal Genus Name and Reference:
Schuleridea Swartz & SWAIN, 1946
Type Species:
S. acuminata
Images
(Click to enlarge in a new window)
Fic. 202,2a-d. *S. acuminata, Jur., La., 2a. carapace R, X60, 2b,c,d, LV int., carapace dors., X60 (77). -- Fig. 202,2e. S. hatterasensis Swain, L.Cret. or Jur., N.Car. (subsurface), carapace R, X35 (354).
Synonyms
Aequacytheridea
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Cret., Mio.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
L.Cret., Mio.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Shape resembling Cytheridea, LV larger than RV, overlapping it on all sides, being dorsally somewhat umbonate, distinct eye-tubercle in RV but less distinct in LV. Surface pitted to smooth. LV hinge originally described with crenulate terminal sockets and unknown median element but (as figured for another species by TRIEBEL, 379) shows straight smooth median furrow, above which is an accommodation groove; muscle scars in row of 4, with one in front of middle.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytherideidae
Subfamily:
Cytherideinae
Formal Genus Name and Reference:
Schuleridea Swartz & SWAIN, 1946
Type Species:
S. acuminata
Images
(Click to enlarge in a new window)
Fic. 202,2a-d. *S. acuminata, Jur., La., 2a. carapace R, X60, 2b,c,d, LV int., carapace dors., X60 (77). -- Fig. 202,2e. S. hatterasensis Swain, L.Cret. or Jur., N.Car. (subsurface), carapace R, X35 (354).
Synonyms
Aequacytheridea
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Cret., Mio.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
L.Cret., Mio.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Shape resembling Cytheridea, LV larger than RV, overlapping it on all sides, being dorsally somewhat umbonate, distinct eye-tubercle in RV but less distinct in LV. Surface pitted to smooth. LV hinge originally described with crenulate terminal sockets and unknown median element but (as figured for another species by TRIEBEL, 379) shows straight smooth median furrow, above which is an accommodation groove; muscle scars in row of 4, with one in front of middle.