cervical groove
See: carapace groove (c) [Martin, 2005].
A groove or series of grooves sometimes present on the carapace; it is mesially transverse, laterally oblique, and separates the gatric and hepatic regions from the cardiac and branchial regions [Chace and Hobbs, 1969].
Groove across the middle of the carapace between gastric and cardiac regions, curving forwards laterally, sometimes incomplete medially, sometimes accompanied by cervical ridge and ending laterally in cervical incision in some lobsters, sometimes with paired postcervical spines [Poore, 2004].
Major arclike suture (groove) on carapace of crayfish, dividing it into anterior (cephalic) and posterior (thoracic) regions (see Fig. 14) [Hobbs and Jass, 1988].
The complex groove running along the dorsal surface of the carapace, being transverse in the middle and turning obliquely forward on each side to the lateral margins [Ingle, 1983].
The major arc-like suture on the carapace of a crayfish, dividing it into cephalic and thoracic regions [Hobbs, Hobbs, and Daniel 1977].
(Order Notostraca):
Somewhat curved, transverse groove in anterior third of carapace; corresponds to border of head and thorax. (See also mandibular groove) [Stachowitsch, 1992].
(Order Diplostraca):
transverse groove across dorsal surface of head; corresponds to level of mandibles [Stachowitsch, 1992].
(Order Decapoda):
(Order Decapoda):
On carapace, well-defined, transverse groove separating gastric and cardiac regions. Considered to represent former border between two cephalic somites. (Syn. cervical suture, cervical furrow) [Stachowitsch, 1992].
(Order Stomatopoda):
Transverse groove across posterior third of carapace. (See also gastric groove) [Stachowitsch, 1992].
(Subclass Branchiura):
In carapace, transverse groove delimiting cephalon (including first thoracic somite) from remaining three thoracic somites (pereon). (Syn. transverse groove) [Stachowitsch, 1992].
(Superorder Syncarida):
In anaspidacean, transverse groove across head. (Syn. mandibular groove, mandibular sulcus) [Stachowitsch, 1992].
(Order Euphausiacea):
Transverse groove across anterior region of carapace [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • cervical groove — 1. (ARTHROPODA: Crustacea) In Decapoda, a transverse groove on the carapace marking the general separation of the head and thoracic areas. 2. (NEMATA) Transverse groove on the ventral surface, or completely encircling the cervical (=cephalic)… …   Dictionary of invertebrate zoology

  • cervical sulcus — Groove or series of grooves sometimes present on carapace; mesially transverse, laterally oblique, and separates gastric and hepatic regions from cardiac and branchial regions. (Syn. (or groove)) [Butler, T.H.]. Mesially transverse and laterally… …   Crustacea glossary

  • cervical notch — Strong indentation of carapace at level of cervical groove (e.g., scyllarid palinurans). (Syn. cervical incision) [Moore and McCormick, 1969]. Strong indentation of carapace at level of cervical groove [McLaughlin, 1980]. (Order Cladocera):… …   Crustacea glossary

  • cervical suture — See: cervical groove [Martin, 2005]. See: cervical groove [McLaughlin, 1980]. (Order Decapoda): Cervical groove [Stachowitsch, 1992] …   Crustacea glossary

  • groove — See: carapace groove [Martin, 2005]. (Order Decapoda): One of numerous furrows extending along carapace. According to position and according to group, one may distinguish antennal, branchiocardiac, buccal, cervical, dorsomedian, gastroorbital,… …   Crustacea glossary

  • cervical spine — Spine on lateral surface of carapace immediately posterior to cervical groove of crayfishes (see Fig. 14) [Hobbs and Jass, 1988]. Spine on the lateral surface of the carapace immediately posterior to the cervical groove in crayfishes [Hobbs,… …   Crustacea glossary

  • cervical notch or incision — (ARTHROPODA: Crustacea) Strong indentation of a carapace at the level of the cervical groove …   Dictionary of invertebrate zoology

  • cervical suture — see cervical groove …   Dictionary of invertebrate zoology

  • cervical vesicle — (NEMATA) Distended cuticle anterior to the cervical groove …   Dictionary of invertebrate zoology

  • cervical furrow — See: cervical groove [Martin, 2005]. (Order Decapoda): See: carapace grooves (d) [McLaughlin, 1980] …   Crustacea glossary

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