|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Carditida - Crassatellidae
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.
|C. A. Waring 1914||sp.-Shell about 55 mm. high, trigonal, slightly longer than high; beaks subcentral, prominent, deeply excavated front and back, incurved, with sides sloping equally and rapidly, most abrupt in advance, slightly convex behind; lunule cordate; anterior end broadly-rounded; posterior truncated and flattened from the umbonal ridge to the cardinal and posterior margins. Surface marked by lines of growth and fine radiating lines which are especially apparent in worn specimens.|