Table 1

Descriptions of life habit classes in the 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]


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.

Alejandrino et al. BMC Evolutionary Biology 2011 11:164   doi:10.1186/1471-2148-11-164

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