| Term | Definition |
| BIPECTINATE | Having two comb-like margins; branched like a feather; see also: PECTINATE; MONOPECTINATE. | |
| MONOPECTINATE | Having one set of comb-like filaments; see also: BIPECTINATE; PECTINATE. | |
| PECTINATE |
A shape exemplified by the bivalve genus Pecten. see also: BIPECTINATE; MONOPECTINATE. See other bivalve shapes. |
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