Useful english dictionary. 2012.
Notostraca — Temporal range: Carboniferous–Recent … Wikipedia
Notostraca — noun small freshwater crustaceans with a shield shaped carapace • Syn: ↑order Notostraca • Hypernyms: ↑animal order • Member Holonyms: ↑Branchiopoda, ↑subclass Branchiopoda • Member Meronyms … Useful english dictionary
animal order — noun the order of animals • Hypernyms: ↑order • Hyponyms: ↑Eubacteriales, ↑order Eubacteriales, ↑Pseudomonadales, ↑order Pseudomonadales, ↑Rickettsiales, ↑order … Useful english dictionary
anus — (Order Cladocera): Posterior opening of digestive tract at end of postabdomen. (terminal, on dorsal margin) [Stachowitsch, 1992]. (Order Notostraca): Posterior opening of digestive tract at end of telson; located between caudal rami and may be… … Crustacea glossary
heart — (Order Cladocera): In circulatory system, typically short, muscular pumping organ located anterior to brood chamber in trunk. Blood enters heart through single pair of ostia and is pumped anteriorly into a sinus, although certain predatory water… … Crustacea glossary
mouth — (Order Cladocera): Anterior opening of digestive tract under labrum; opens into esophagus [Stachowitsch, 1992]. (Order Notostraca): Anterior opening of digestive tract on underside of head; located under labrum and opening into esophagus… … Crustacea glossary
brain — (Order Notostraca): Main concentration of nreve tissue in head; consists of supraesophagael ganglion (protocerebrum and deutocerebrum) and, posterior to mouth, tritocerebrum (ganglion of antennal somite). Continues posteriorly as ladder like… … Crustacea glossary
cecum — (Order Cladocera): Digestive cecum [Stachowitsch, 1992]. (Order Notostraca): One of two outpocketings of midgut. Elongate and extensively branched with carapace. Opens into digestive tract posterior to esophagus/midgut border. (Syn. midgut… … Crustacea glossary
food groove — (Order Cladocera): In filter feeding water fleas, elongate median groove between bases of trunk appendages, passed anteriorly along food groove, and transferred to mouth [Stachowitsch, 1992]. (Order Notostraca): Elongate median groove between… … Crustacea glossary
ovisac — (Order Notostraca): In female, brood chamber for eggs on each appendage of last (11th) thoracic segments; chamber formed by exopod, with epipod serving as lid [Stachowitsch, 1992]. (Order Anostraca): In female, unpaired, sac like structure… … Crustacea glossary
