Pectinida Temporal range:
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Aequipecten opercularis | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Bivalvia |
Subclass: | Pteriomorphia |
Order: | Pectinida |
Families | |
See text | |
Synonyms | |
Pectinoida |
Pectinida is a taxonomic order of large and medium-sized saltwater clams, marine bivalve molluscs, commonly known as scallops and their allies.[1] It is believed that they began evolutionarily in the late Middle Ordovician epoch; many species, of course, are still extant.[2]