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Paraparchites
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Palaeocopida
Suborder:
Kloedenellocopina
Superfamily:
Paraparchitacea
Family:
Paraparchitidae
Formal Genus Name and Reference:
Paraparchites Ulrich & BASSLER, 1906
Type Species:
P. humerosus
Images
(Click to enlarge in a new window)
Fig. 135,1a-f. *P. humerosus, L.Perm. (Admire), USA(Kans.), 1a,b, carapace (lectotype) L (slightly tilted to show hinge channel), vent.; 1c-e, RV int., 3 specimens showing instar valves retained inside adult; 1f, carapace (paratype) dors.; all X21 (324). -- Fig. 135,1g,h. P. reversus (CORYELL & ROGATZ), L. Perm., USA (Tex.) (type species of Antiparaparchites); 1g,h, carapace L, R, X30 (128).
Synonyms
Antiparaparchites, Ardmorea, Coelonella, Microcoelonella
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
L. Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Perm.
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Subovate to elongate-ovate, smooth except for posterodorsal spine in a few species, LV usually overlapping RV along free margin, hinge channeled, cardinal teeth poorly to well defined on exterior at cardinal points
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Palaeocopida
Suborder:
Kloedenellocopina
Superfamily:
Paraparchitacea
Family:
Paraparchitidae
Formal Genus Name and Reference:
Paraparchites Ulrich & BASSLER, 1906
Type Species:
P. humerosus
Images
(Click to enlarge in a new window)
Fig. 135,1a-f. *P. humerosus, L.Perm. (Admire), USA(Kans.), 1a,b, carapace (lectotype) L (slightly tilted to show hinge channel), vent.; 1c-e, RV int., 3 specimens showing instar valves retained inside adult; 1f, carapace (paratype) dors.; all X21 (324). -- Fig. 135,1g,h. P. reversus (CORYELL & ROGATZ), L. Perm., USA (Tex.) (type species of Antiparaparchites); 1g,h, carapace L, R, X30 (128).
Synonyms
Antiparaparchites, Ardmorea, Coelonella, Microcoelonella
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
L. Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Perm.
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Subovate to elongate-ovate, smooth except for posterodorsal spine in a few species, LV usually overlapping RV along free margin, hinge channeled, cardinal teeth poorly to well defined on exterior at cardinal points