The maximum recorded shell length is 52.2 mm.[4] The species is morphologically distinct from other species of Crepidula.[5] These anatomical differences include a projecting apex and the absence of a periostracum.[5] It also has a thicker columellar muscle than other mature Atlantic species of Crepidula.[5]
Habitat
Minimum recorded depth is 10 m.[4] Maximum recorded depth is 20 m.[4] It attaches to hard substrata.[5]
^Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O (eds.). "Crepidula cachimilla Cledon, Simone & Penchaszadeh, 2004". MolluscaBase. World Register of Marine Species. Retrieved 2019-06-10.