costal shield
(BRYOZOA: Gymnolaemata)
The discontinuous frontal shield or part of the frontal shield of cheilostomate zooids, produced by intermittently fused or unfused spines overspreading the uncalcified part of the frontal wall.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • costa — n.; pl. costae [L. costa, rib] 1. Any rib like structure. 2. (ARTHROPODA: Crustacea) Any thickened portion of the peniferum of ostracods. 3. (ARTHROPODA: Insecta) a. The longitudinal wing vein of certain insects, forming the anterior margin of… …   Dictionary of invertebrate zoology

  • Chelidae — Temporal range: Albian–Recent …   Wikipedia

  • Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax …   Wikipedia

  • 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

  • Rhinoplasty — For the album by Primus, see Rhinoplasty (album). Rhinoplasty Intervention Rhinoplasty: The lower lateral cartilage (greater alar cartilage) exposed for plastic modification via the left nostril …   Wikipedia

  • Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …   Wikipedia

  • Aguada, Puerto Rico — Infobox Settlement settlement type = subdivision type = Country subdivision name = United States subdivision type1 = Territory subdivision name1 = Puerto Rico subdivision type2 = subdivision name2 = timezone=AST utc offset= 4 timezone DST= utc… …   Wikipedia

  • Snake scales — Snakes, like other reptiles, have a skin covered in scales. Boulenger, George A. 1890 The Fauna of British India. page 1] Snakes are entirely covered with scales or scutes of various shapes and sizes. Scales protect the body of the snake, aid it… …   Wikipedia

  • Geology of the Pacific Northwest — The geology of the Pacific Northwest refers to the study of the composition (including rock, minerals, and soils), structure, physical properties and the processes that shape the Pacific Northwest region of the United States and Canada. The… …   Wikipedia

  • lepidopteran — /lep i dop teuhr euhn/, adj. 1. lepidopterous. n. 2. a lepidopterous insect. [1850 55; LEPIDOPTER(A) + AN] * * * Any of the more than 100,000 species constituting the order Lepidoptera (Greek: scaly wing ): butterflies, moths, and skippers. The… …   Universalium

Share the article and excerpts

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