spine row — (Order Isopoda): Spinose lobe on the mandible, between the molar and incisor processes [Wetzer et al. 1997]. ( ) Nomenclature of isopod cephalon (A). Examples of isopod mouth appendages: Idoteidae (B, C, F, H); Cirolanidae (D, E, G, I). [Wetzer… … Crustacea glossary
mandible — Most anterodorsally situated of gnathal appendages; one, of a pair, of heavily calcified jaws; the teeth. [Hobbs and Jass, 1988]. On of the heavily calcified jaws lying anterior to (beneath, in ventral view) the other mouth parts but visible in… … Crustacea glossary
Palatine bone — Bone: Palatine bone Permanent teeth of upper dental arch, seen from below. (Horizontal part of palatine bone visible at bottom.) … Wikipedia
dinosaur — /duy neuh sawr /, n. 1. any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals. 2. something that is… … Universalium
arch — Any structure resembling a bent bow or an a.; an arc. In anatomy, any vaulted or archlike structure. See arcus. SYN: arcus [TA]. [thru O. Fr. fr. L. arcus, bow] abdominothoracic a. a bell shaped line defined by the lower end of the sternum and… … Medical dictionary
Crevalle jack — Scientific classification Kingdom: Animalia Phylum … Wikipedia
Stream catfish — Taxobox name = Stream catfishes regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Siluriformes superfamilia = Sisoroidea familia = Akysidae familia authority = Gill, 1861 subdivision ranks = Genera subdivision = Subfamily… … Wikipedia