antennal spine
(ARTHROPODA: Crustacea)
A decapod spine situated on the anterior margin of the carapace, slightly below the orbit.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • antennal spine — See: carapace spine (a) [Martin, 2005]. See: carapace spines (a) [McLaughlin, 1980]. ( ) [Baba, 2005]. Anterior part of carapace, including ocular peduncles, based on Munidopsis. [Baba, 2005] A short spine usually present on or near the anterior… …   Crustacea glossary

  • antennal region — See: carapace region (a) [Martin, 2005]. See: carapace regions (a) [McLaughlin, 1980]. Area on lateral surface of the carapace posterior to and encompassing antennal spine [Butler, T.H.]. Area on the lateral face of the carapace posterior to and… …   Crustacea glossary

  • antennal carina — See: carapace carina (a) [Martin, 2005]. Ridge extending posteriorly along dorsal extremity of antennal region, often continuous with antennal spine (Fig. 2B) [Perez Farfante and Kensley, 1997]. (Order Decapoda): On each side of carapace, narrow …   Crustacea glossary

  • antennal carina — (ARTHROPODA: Crustacea) A prominent ridge extending posteriorly from a decapod antennal spine …   Dictionary of invertebrate zoology

  • antennal groove — See: carapace groove (a) [Martin, 2005]. See: carapace groove (a) [McLaughlin, 1980]. (Order Decapoda): On each side of carapace, longitudinal groove extending posteriorly from vicinity of antennal spine [Stachowitsch, 1992] …   Crustacea glossary

  • spine — ( ) [Baba, 2005]. Carapace, spines, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Anterior part of carapace, including ocular peduncles, based on Munidopsis. [Baba, 2005] A cuticular outgrowth without a recognizable basal articulation [Ingle,… …   Crustacea glossary

  • antennal scale — See: stylocerite, scaphocerite [Martin, 2005]. Bladelike exopod of antenna situated at base of antenna (see Figs. 13, 14) [Hobbs and Jass, 1988]. See: scaphocerite [McLaughlin, 1980]. See: scaphocerite [Poore, 2004]. The laterally ragid lamellar… …   Crustacea glossary

  • branchiostegal spine — See: carapace spine (b) [Martin, 2005]. See: carapace spines (b) [McLaughlin, 1980]. A short spine located on or near the anterior margin of the carapace, ventral to the antennal spine in the shrimps; in crayfishes, immediately ventral to the… …   Crustacea glossary

  • carapace spine — Sharp projection of carapace important for classification chief types: (a) antennal. Spine on front margin of carapace slightly below orbit. (b) branchiostegal. Spine on front margin of carapace or slightly behind it about halfway between… …   Crustacea glossary

  • postorbital spine — See: carapace spine (e) [Martin, 2005]. Spine situated near the orbital margin posterior to the antennal spine (Fig. 2A) [Perez Farfante and Kensley, 1997]. The hindmost spine or tooth on the orbital margin in the Oxyrhyncha [Ingle, 1983]. (Order …   Crustacea glossary

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