Mimachlamys crassicostata
NameMimachlamys crassicostata
Scientific NameMimachlamys crassicostata
Common NameThick-ribbed scallop
FamilyPectinidae
GenusMimachlamys
Speciescrassicostata
Geographic DistributionIndo-Pacific region, including areas around Japan, Taiwan, and the Philippines.
Shell Shapebivalve
Average Size (mm)30
Identifying FeaturesCharacterized by numerous (typically 20-30), strong, rounded radial ribs that are often wider than the interspaces. The ribs may have fine scales or nodules. The auricles are unequal, with the anterior auricle being larger and having a byssal notch. The shell surface is generally rough due to the prominent ribbing.
Dietfilter-feeder
Raritycommon
Author Citation(Sowerby II, 1842)
Description
A collection of four bivalve shells of the species Mimachlamys crassicostata, showcasing a variety of vibrant colors including orange, yellow, and purple. Each shell is fan-shaped with prominent, numerous radial ribs extending from the umbo to the shell margin. The shells exhibit distinct auricles (ears) on either side of the umbo.
