The Nautilus Log
Transennella pannosa

Transennella pannosa

NameTransennella pannosa
Scientific NameTransennella pannosa
Common NameCalico clam
FamilyVeneridae
GenusTransennella
Speciespannosa
Geographic DistributionPacific coast of North America, ranging from California to Baja California.
Habitatintertidal
Average Size (mm)15
Identifying FeaturesSmall size, ovate to subtrigonal shape, and characteristic mottled or zigzag color patterns on a lighter background. The concentric growth lines are prominent, and the shell is moderately inflated.
Dietfilter-feeder
Raritycommon
Author Citation(Sowerby, 1835)

Description

A collection of twelve bivalve shells, likely the species Transennella pannosa, displayed on a dark background. The shells are relatively small, ovate to subtrigonal in shape, and exhibit distinct color patterns. They are moderately inflated and show clear concentric growth lines.

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