grasping spines
(CHAETOGNATHA)
Chitinous spines on the posterior part of the head used for food catching; prehensile spines; seizing jaws.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • prehensile spines — see grasping spines …   Dictionary of invertebrate zoology

  • Amiskwia — Taxobox name = Amiskwia regnum = Animalia phylum = incertae sedis genus = Amiskwia species = A. sagittiformis binomial = Amiskwia sagittiformis Amiskwia is a small, soft bodied invertebrate of unknown affinity known from fossils of the Middle… …   Wikipedia

  • Chaetognatha — Arrow worms Temporal range: Lower Cambrian–Recent …   Wikipedia

  • chaetognaths — n.; n. pl. [Gr. chaite, hair; gnathos, jaw] A phylum of free living planktonic or benthic animals, commonly called arrowworms, having an elongated more or less translucent body with large grasping spines at the head and a posterior horizontal… …   Dictionary of invertebrate zoology

  • seizing jaws — see grasping spines …   Dictionary of invertebrate zoology

  • animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …   Universalium

  • arrowworm — /ar oh werrm /, n. any small, translucent marine worm of the phylum (or class) Chaetognatha, having lateral and caudal fins. Also called glassworm. [1885 90; so called from a fancied resemblance to an arrow] * * * ▪ animal phylum Introduction… …   Universalium

  • heteropteran — ▪ insect order Introduction   any member of the insect order Heteroptera, which comprises the so called true bugs. (Some authorities use the name Hemiptera; others consider both the heteropterans and the homopterans to be suborders of the… …   Universalium

  • echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …   Universalium

  • skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”