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Chavania

Bivalvia - Lucinida - Lucinidae

Synonymy list
YearName and author
2007Chavania Glover and Taylor p. 162

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
CardiomorphiFerussac 1822
CardioniFerussac 1822
LucinidiaGray 1854
orderLucinida(Stoliczka 1871)
superfamilyLucinoideaFleming 1828
familyLucinidaeFleming 1828
genusChavania

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.

Diagnosis
ReferenceDiagnosis
E. A. Glover and J. D. Taylor 2007Shells small, robust, H to 12 mm. Outline generally circular to slightly higher than long but variable. Sculpture of fi ne, closely-spaced, low commarginal lamellae that anastomose occasionally; fi ne riblets sometimes visible on anterior and posterior of shell and also fi ne radial striations visible within the outer shell layer. Shallow posterior sulcus present on both valves. RV with large projecting tooth and LV with two cardinal teeth, of which the anterior is larger. Anterior lateral teeth absent or vestigial ridge in both valves. Ligament internal, short, deeply inset laterally into valves. Anterior adductor scar short, rounded and detached from pallial line for about 1/5 to 1/3 of length. Pallial line discontinuous. Shell margin broad, thickened, inner margin fi nely crenulate.