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Showing posts with the label Minor phyla

Phylum : Onychophora

 Phylum : Onychophora External morphology :- Body is elongated cylindrical and electrical symmetrical External segmentation is unique clear and and jointed legs number from 14 to 43 pairs Each leg is stumpy pro tube bill ending in two clause 3 to 6 pets on the ventral side which serve as a walking souls which constant to the substratum Skin is covered in a tin cuticle covered in numerous Billberry possesses The skin is thrown in transverse ridges bearing a chronicle because in the city news the spines Anterior end is not differentiated as a head .bears  a pair of of eye , a pair of pre-oral Antennae and simple separating or a bailable and meet the ventral mouth with pair of Chetan years George Antony or not not homolog us to 3 segmented head is midway between Annelida and Arthropoda. Anus at the posterior end and genital aperture located is front of anus..

Minor Phyla : Entoprocta

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Minor Phyla : Entoprocta Sessile  Body of calyx and slender. Digestive tube U shaped  Mostly marine. Mouth and anus close together, surrounded by tentacular crown. Entoprocta Temporal range:  Early Cambrian–Recent   Pre๊ž’ ๊ž’ O S D C P T J K Pg N [1] [2] Barentsia discreta Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Clade : ParaHoxozoa Clade : Bilateria Clade : Nephrozoa (unranked): Protostomia (unranked): Spiralia Superphylum: Lophotrochozoa Clade : Lophophorata Phylum: Entoprocta Nitsche , 1870

Minor Phyla : Acanthocephala

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 Minor Phyla : Acanthocephala Characteristics :- Minute worm like endoparasites. No digestive cavity. Protrusible proboscis with recurved spine.      Acanthocephala Corynosoma wegeneri Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Clade : ParaHoxozoa Clade : Bilateria Clade : Nephrozoa (unranked): Protostomia (unranked): Spiralia Clade : Gnathifera Phylum: Acanthocephala Koelreuter , 1771 Some key features of acanthocephalan morphology