Welcome to the Crustaceans subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Xestoleberis
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Xestoleberididae
Formal Genus Name and Reference:
Xestoleberis SARS, 1866
Type Species:
Cylhere aurantia BAIRD, 1838; SD BRADY & OR~IAN, 1889
Images
(Click to enlarge in a new window)
Fig. 268,4. *X. aurantia (BAIRD), Rec.; 4a,b, female carapace R, dors. (Norway), Xl00 (65); 4c, LV and RV dors. (Baja California), X 100 (Sylvester-Bradley, n); 4d, LV into (NE.Atl.), X145 (88, by permission of Mouton & Co., The Hague). -- Fig. 269, 1. X. subglobosa (BoSQUET), Eoc.(Lutet.), Fr. (Paris Basin); 1a-c, LV lat., int., dors., X75 (42).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Carapace ovate, LV larger than RV. Hinge merodont, with elongate crenulate terminal cusps in RV, separated by somewhat curved to nearly straight, finely crenulate to smooth furrow; marginal areas narrow except in front where vestibule is present; radial canals shOT!, straight; adductor scars in vertical row o'f 4, with arrowhead-shaped antennal scar in front and 2 mandibular scars below in front, crescent-shaped scar above this group in eye region.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Xestoleberididae
Formal Genus Name and Reference:
Xestoleberis SARS, 1866
Type Species:
Cylhere aurantia BAIRD, 1838; SD BRADY & OR~IAN, 1889
Images
(Click to enlarge in a new window)
Fig. 268,4. *X. aurantia (BAIRD), Rec.; 4a,b, female carapace R, dors. (Norway), Xl00 (65); 4c, LV and RV dors. (Baja California), X 100 (Sylvester-Bradley, n); 4d, LV into (NE.Atl.), X145 (88, by permission of Mouton & Co., The Hague). -- Fig. 269, 1. X. subglobosa (BoSQUET), Eoc.(Lutet.), Fr. (Paris Basin); 1a-c, LV lat., int., dors., X75 (42).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Carapace ovate, LV larger than RV. Hinge merodont, with elongate crenulate terminal cusps in RV, separated by somewhat curved to nearly straight, finely crenulate to smooth furrow; marginal areas narrow except in front where vestibule is present; radial canals shOT!, straight; adductor scars in vertical row o'f 4, with arrowhead-shaped antennal scar in front and 2 mandibular scars below in front, crescent-shaped scar above this group in eye region.