Schizopoda sentence example

schizopoda
  • Aristotle seems to recognize eight principal groups: (1) Gampsonyches, approximately equivalent to the Accipitres of Linnaeus; (2) Scolecophaga, containing most of what would now be called Oscines, excepting indeed the (3) Acanthophaga, composed of the goldfinch, siskin and a few others; (4) Scnipophaga, the woodpeckers; (5) Peristeroide, or pigeons; (6) Schizopoda, (7) Steganopoda, and (8) Barea, nearly the same respectively as the Linnaean Grallae, Anseres and Gallinae.
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  • The name of shrimps is sometimes given to members of the order Schizopoda, which differ from most of the Macrura in having swimming branches or exopodites on the thoracic legs.
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  • There are at least seven orders: the stalk-eyed Brachyura, Macrura, Schizopoda, Stomatopoda, and the sessile-eyed Sympoda, Isopoda, Amphipoda.
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  • Spence Bate maintained that the Schizopoda ought not to form a separate order, but to be ranged as a macruran tribe, "more nearly allied to the degraded forms of the Penaeidea than to those of any other group" ("Challenger" Reports, " Macrura," p. 472, 1888).
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  • ScHIzoPODA.
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  • Among many papers that the student will find it necessary to consult may be mentioned the "Challenger" Report on Schizopoda, by Sars, 1885, dealing with the order at large; "British Schizopoda," by Norman Ann.
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  • The arrangement is similar in Schizopoda and Stomato From Morse's Zoology.
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  • In the primitive Malacostraca the gills were probably, as in the Phyllopoda and in Nebalia, the modified epipodites of the thoracic limbs, and this is the condition found in some Schizopoda.
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  • In the Malacostraca it is absent in the adult, or persists only in a vestigial condition, as in some Decapoda and Schizopoda.
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  • In the Mysidae among the Schizopoda a pair of similar otocysts are found in the endopodites of the last pair of appendages (uropods).
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  • - Many Crustacea belonging to very different groups (Ostracoda, Copepoda, Schizopoda, Decapoda) possess the power of emitting light.
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  • In the Ostracoda and Copepoda the phosphorescence, as already mentioned, is due to glands which produce a luminous secretion, and this is the case also in certain members of the Schizopoda and Decapoda.
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  • Organs of this type are best known in the Euphausiidae among the Schizopoda, but a modified form is found in some of the lower Decapods.
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  • In Palaeozoic formations, from the Upper Devonian onwards, numbers of shrimp-like forms are found which have been referred to the Schizopoda and the Decapoda, but here again the scanty information which may be gleaned as to the structure of the limbs rarely permits of definite conclusions as to their affinities.
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  • Orders Schizopoda (including Anaspides).
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  • Orders: Decapoda (Sub-orders: Brachyura, Macrura), Schizopoda (including Anaspides), Stomatopoda, Sympoda (Cumacea), Isopoda (including Tanaidacea), Amphipoda.
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  • In the Schizopoda and Cumacea the line of division is less sharp, and the varying number of so-called maxillipeds recognized by different authors gives rise to some confusion of terminology in systematic literature.
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  • Among the Malacostraca some Schizopoda, the Cumacea, Tanaidacea, Isopoda and Amphipoda (sometimes grouped all together as Peracarida) have a marsupium or brood-pouch formed by overlapping plates attached to the bases of some of the thoracic legs.
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  • Among the Malacostraca the nauplius is less commonly found, but it occurs in the Euphausiidae among the Schizopoda and in a few of the more primitive Decapoda (Penaeidea) (fig.
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  • Nearest to them come the Schizopoda, a primitive group from which two lines of descent can be traced, the one leading from the Mysidacea (Mysidae -{- Lophogastridae) to the Cumacea and the sessile-eyed groups Isopoda and Amphipoda, the other from the Euphausiacea (Euphausiidae) to the Decapoda Classification.
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