pterygostomial spine — (ARTHROPODA: Crustacea) In Decapoda, a spine on the anterolateral angle … Dictionary of invertebrate zoology
pterygostomial region — Anteroventral region of carapace (anterior part of branchiostegite of Caridea) or ventral region of carapace (of Brachyura); bearing pterygostomial spine at anteroventral angle (in Caridea and Dendrobranchiata) [Poore, 2004]. (Order Decapoda):… … 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
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
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
branchiostegal spine — (ARTHROPODA: Crustacea) In Decapoda, a spine on the carapace between the antennal and pterygostomial spines … Dictionary of invertebrate zoology
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
hepatic region — See: carapace region g [Martin, 2005]. Paired anterolateral areas of the carapace bounded anteriorly by the antennal region, posteriorly by the branchial region, and mesially by the gastric region [Perez Farfante and Kensley, 1997]. Paired… … Crustacea glossary