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Clisocolus corrugatus

Bivalvia - Lucinida - Mactromyidae

Taxonomy
Clisocolus corrugatus was named by Popenoe (1937). Its type specimen is CIT (IP) 3439 and is a 3D body fossil. Its type locality is CIT loc. 302, Santa Ana Mountains, which is in a Turonian marine horizon in the Ladd Formation of California.

Synonymy list
YearName and author
1937Clisocolus corrugatus Popenoe p. 390 figs. Plate 47, figures 9, 10, 12

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
CardiomorphiFerussac 1822
CardioniFerussac 1822
LucinidiaGray 1854
orderLucinida(Stoliczka 1871)
superfamilyLucinoideaFleming 1828
familyMactromyidaeCox 1929
genusClisocolus
speciescorrugatus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Clisocolus corrugatus Popenoe 1937
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Diagnosis
ReferenceDiagnosis
W. P. Popenoe 1937Shell of medium size, highly inflated, gibbous in outline; shell substance rather thick; beaks high, prom- inent, prosogyrous, sharply incurved; outline of shell margin below the beaks nearly circular to slightly oval; lunule and escutcheon undefined; ligament ex- ternal, lodged in a deep narrow furrow; hinge edentulous but with a slight thickening of the hinge-line below the beaks and with a shallow pit centrally placed, dorsal to the thickened part; lateral teeth absent; sculpture consisting of rather coarse raised concentric corrugations, spaced at approximately 2 mm. intervals on the median flanks of the mature shell; character of muscle scars and pallial line unknown.