An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms
by Paul S. Mikkelsen

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Composite Bivalve

The illustration below depicts the exterior of a left valve of a hypothetical composite bivalve,
with a multitude of features and sculptural elements displayed and described via links to definitions.

DORSAL VENTRAL ANTERIOR POSTERIOR PRODISSOCONCH DISSOCONCH AURICLE EXTERNAL LIGAMENT ESCUTCHEON AURICULAR SULCUS SMOOTH SCULPTURE SPINE RADIAL RIBS RADIAL STRIAE PUNCTATE COSTATE CANCELLATE DECUSSATE RETICULATE NODULE RADIAL CORD CONCENTRIC RIB CONCENTRIC OR GROWTH LINE DIVARICATE LUNULE BYSSUS OR BYSSAL THREADS BYSSAL NOTCH AURICLE BEAK OR UMBO

The illustration below depicts the interior of a right valve of a hypothetical composite bivalve,
with a multitude of features and sculptural elements displayed and described via links to definitions.
PRODISSOCONCH DISSOCONCH TAXODONT ISODONT LATERAL TOOTH HETERODONT DENTITION HINGE TOOTH SOCKET POSTERIOR PEDAL RETRACTOR MUSCLE SCAR ADDUCTOR MUSCLE SCAR PALLIAL SINUS PALLIAL LINE MARGINAL CRENULATIONS OR DENTICULATIONS HINGE PLATE ADDUCTOR MUSCLE SCAR ANTERIOR PEDAL RETRACTOR MUSCLE SCAR CHONDROPHORE CARDINAL TOOTH HETERODONT DENTITION BEAK OR UMBO DORSAL VENTRAL POSTERIOR ANTERIOR

See also: annotated photos of bivalves on the website:  Let's Talk Seashells by Marlo Krisberg
and also: Bivalve Shell Morphological Features on the website Peter's Seashells by Peter Egerton

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