Appendages
51Onychophora — Temporal range: 40–0 Ma …
52Dalek variants — …
53Insect evolution — The relationships of insects to other animal groups remain unclear. Although more traditionally grouped with millipedes and centipedes, evidence has emerged favouring closer evolutionary ties with the crustaceans. In the Pancrustacea theory,… …
54apterygote — /ap ter i goht , ap teuhr /, adj. belonging or pertaining to the Apterygota, a subclass of primitive wingless insects that undergo little or no metamorphosis. Also, apterygotous /ap ter i goh teuhs/. [ < NL Apterygota name of the subclass, equiv …
55lepidopteran — /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… …
56abdomen — Posterior part of body, of six segments or somites, sometimes including tailfan [Poore, 2004]. Region of the body posterior to cephalothorax, consisting of six body segments and telson (see Fig. 13) [Hobbs and Jass, 1988]. That part of the body… …
57cephalothorax — A fused dorsal covering resulting when the carapace extends dorsally and laterally and/or posteriorly and fuses dorsally with one or more thoracic segments [Brusca and Brusca, 2002]. All fused somites of the cephalon (head) and thorax, covered in …
58pleomere — See: abdominal somite [Martin, 2005]. See: abdominal somite [McLaughlin, 1980]. (Order Tanaidacea): One of six segments (somites) of abdomen (pleon). Last (sixth) or last two (fifth and sixth) pleomeres fused to telson to form pleotelson. First… …
59thorax — Anteriormost division of the crustacean trunk [Brusca and Brusca, 2002]. Middle body region of eight somites bearing maxillipeds and pereopods [Poore, 2004]. see Cephalothorax [Butler, T.H.]. Tagma between cephalon and abdomen comprising anterior …
60Chirocephalus diaphanus — Female (t …
