From: Convergent and parallel evolution in life habit of the scallops (Bivalvia: Pectinidae)
Life habit | Description | Genera included in study | References |
---|---|---|---|
Nestle | Settle and byssally attach to living Porites corals; coral grows around and permanently contains scallop | Pedum | |
Cement | Permanently attaches to hard or heavy substratum as new shell is generated | Crassadoma, Talochlamys* | [62] |
Byssal attach | Temporarily attaches to a substratum by byssus threads; can release and reorient | Azumapecten, Brachtechlamys*, Caribachlamys, Chlamys, Coralichlamys, Cyclopecten, Excellichlamys, Gloripallium, Laevichlamys, Leptopecten, Mimachlamys*, Pascahinnites, Scaeochlamys, Semipallium, Spathochlamys, Talochlamys*, Veprichlamys, Zygochlamys | [39] |
Recess | Excavates cavity in soft sediment; full/partial concealment | Euvola, Mizuhopecten, Pecten, Patinopecten | |
Free-living | Rests above soft sediment or hard substratum | Aequipecten, Anguipecten, Annachlamys, Argopecten, Brachtechlamys*, Cryptopecten, Decatopecten, Delectopecten, Equichlamys, Mimachlamys*, Mirapecten, Nodipecten, Pseudamussium | [39] |
Gliding | Able to swim > 5 m/effort; includes a level swimming phase with a glide component | Adamussium, Amusium, "Amusium," Placopecten |