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The Aplacophora is a class of small, deep-water, exclusively benthic, shell-less marine molluscs.They are found in all oceans of the world. They are a small group of molluscs which have deviated from the normal molluscan form. There are approximately 100 known species living today.
Aplacophora is a relatively small group of molluscs that are characterized by their lack of shells and worm-like appearance. Instead of a shell, their mantle secretes tiny calcareous spicules which give them a beautiful shine. There are only about 320 species of these exclusively marine molluscs.The Aplacophora are a small group of molluscs, which have deviated from the normal molluscan form.There are approximately 100 known species living today. They are rather worm-like and average about an inch (2.5 cms.) in length.Aplacophora definition is - an order of Amphineura comprising wormlike mollusks in which the body is without calcareous plates but the mantle bears numerous calcified spicules over its entire surface.
Aplacophora is a monophyletic group of small, deep-water, exclusively benthic, marine molluscs found in all oceans of the world. All known modern forms are shell-less: only some extinct primitive forms possessed valves. The group comprises the two clades Solenogastres (Neomeniomorpha) and Caudofoveata (Chaetodermomorpha), which between them contain 28 families and about 320 species.
Aplacophora synonyms, Aplacophora pronunciation, Aplacophora translation, English dictionary definition of Aplacophora. Noun 1. Aplacophora - an order of Amphineura order Aplacophora, order Solenogastres, Solenogastres animal order - the order of animals Amphineura, subclass.
Aplacophora (Solenogastres; phylum Mollusca, class Amphineura) A subclass of benthic, worm-like molluscs which lack a dorsal covering of valves.Calcareous spicules may occur in the mantle that covers the body. The anatomy and nervous system are very similar to those of the Polyplacophora.The ventral foot is represented as a groove in the order Neomeniida, but is absent in the second order.
Definition of aplacophora in the Definitions.net dictionary. Meaning of aplacophora. What does aplacophora mean? Information and translations of aplacophora in the most comprehensive dictionary definitions resource on the web.
On this view then the Aplacophora are more primitive than the Polyplacophora in the relations of coelom, gonad and coelomoducts; and the genital ducts of the Chitons have arisen either by metameric repetition within the group, or by the gradual loss of an original connexion between the generative sac and the renal tube, as in Lamellibranchs and Gastropods, the generative sac acquiring a.
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Klase sa mga kinhason ang Aplacophora.Ang Aplacophora sakop sa ka-ulo nga kinhason, ug kaginharian nga mananap. Ang klase nga Aplacophora pagsakop 66 espesye, segun Catalogue of Life. Mao ni ang iyang kladogram matod sa Catalogue of Life.
Allolobophora chlorotica, or green worm, is a species of earthworm that feeds and lives in soil. This species stands out from other earthworms due to the presence of three 'Sucker-like Discs' on the underside of the clitellum.Worms are many different distantly related animals that typically have a long cylindrical tube-like body and no limbs.
Aplacophora: 1 n an order of Amphineura Synonyms: Solenogastres, order Aplacophora, order Solenogastres Type of: animal order the order of animals.
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