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Table 1 Descriptions of life habit classes in the Pectinidae

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

[38, 61]

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

[39, 40]

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

[44–46]

  1. Species-specific classes are the predominant life habit exhibited by sexually mature individuals listed from least to most active. An asterisk indicates multiple life habits are exhibited within the genus.