schizochroal
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schizochroal — n. [Gr. schizien, to split; chroa, superficial appearance] (ARTHROPODA: Trilobita) Bound isolated lenses that form around semicircular facets; see holochroal … Dictionary of invertebrate zoology
Phacopida — Taxobox name = Phacopida fossil range = Ordovician Devonian image width = 240px image caption = Dalmanites limulurus , a trilobite of the suborder Phacopina regnum = Animalia phylum = Arthropoda classis = Trilobita ordo = Phacopida ordo authority … Wikipedia
Trilobite — ] Highly complex compound eyes are another obvious feature of the cephalon (see below). Figure 3 shows gross morphology of the cephalon. The cheeks (genae) are the pleural lobes on each side of the axial feature, the glabella. When trilobites… … Wikipedia
Strepsiptera — Taxobox name = Strepsiptera fossil range=Middle Cretaceous Recent image caption = male regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Strepsiptera ordo authority = Kirby, 1813 subdivision ranks = Families subdivision =… … Wikipedia
Eye — For other uses, see Eye (disambiguation), Ocular (disambiguation), Ocular, and Oculus. For taxon specific articles, see human eye, simple eye in invertebrates, mollusc eye, and arthropod eye. Eye … Wikipedia
Phacops rana — Taxobox name = Phacops rana fossil range = Devonian image width = 240px image caption = Phacops rana from New York State, USA (Valdosta 2005) regnum = Animalia phylum = Arthropoda classis = Trilobita ordo = Phacopida superordo = Phacopina… … Wikipedia
Proetida — Taxobox name = Proetida fossil range = Ordovician Permian image width = 240px image caption = Devonian Cyphaspis tafilalet trilobites of the superfamily Aulacopleuroidea regnum = Animalia phylum = Arthropoda classis = Trilobita subclassis =… … Wikipedia
Dalmanites — limulurus, a trilobite of the genus Dalmanites Scientific classification Kingdom … Wikipedia
Dalmanites limulurus — Taxobox name = Dalmanites image width = 240px image caption = Dalmanites limulurus from New York (USA) regnum = Animalia phylum = Arthropoda classis = Trilobita ordo = Phacopida superordo = Phacopina superfamilia = Dalmanitoidea familia =… … Wikipedia
Mahantango Formation — Stratigraphic range: Middle Devonian, 387 Ma … Wikipedia
