Definitions
Upper lip
- See: Labrum [Martin, 2005]
- See labrum. [McLaughlin, 1980]
- (Taxon-specific: Order Cladocera) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Diplostraca) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Cumacea) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Decapoda) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Amphipoda) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Isopoda) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Mysida) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Stomatopoda) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Leptostraca) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Subclass Branchiura) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Subclass Cirripedia) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Subclass Mystacocarida) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Class Ostracoda) Labrum. [Stachowitsch, 1992]
- (Taxon-specific: Order Thermosbaenacea) Labrum. [Stachowitsch, 1992]