onychophoran


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on·y·choph·o·ran

 (ŏn′ĭ-kŏf′ər-ən)
n.
Any of various small wormlike carnivorous animals of the phylum Onychophora, chiefly of moist forests, having a soft cuticle of chitin and pairs of short claw-bearing legs. Also called peripatus, velvet worm.

[From New Latin Onychophora, phylum name : Greek onux, onukh-, nail, claw; see onyx + Greek -phora, neuter pl. of -phoros, -phore.]

on′y·choph′o·ran adj.

onychophoran

(ˌɒnɪˈkɒfərən)
n
(Animals) any wormlike terrestrial invertebrate of the phylum Onychophora, having a segmented body, short unjointed limbs, and breathing by means of tracheae: intermediate in structure and evolutionary development between annelids and arthropods
[from New Latin Onychophora, from Greek onukh- nail, claw + -phore]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.onychophoran - any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid wormsonychophoran - any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
class Onychophora, Onychophora - enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in warm regions; distinct from the phylum Annelida; resemble slugs with legs and are sometimes described as the missing link between arthropods and annelids
Plicatoperipatus jamaicensis - a kind of onychophoran
References in periodicals archive ?
Characterization and localization of the opsin protein repertoire in the brain and retinas of a spider and an onychophoran.
The Onychophoran population there has been studied for some particular aspects (e.
Xianguang, "New Early Cambrian Animal and Onychophoran Affinities of Enigmatic Metazoans," Nature 351 (1991): 225-8.
In South Africa 492 species of invertebrates have been assessed according to the IUCN Red List criteria, including 250 insects (14 Colophon, 3 ant, 76 butterfly and 157 odonatan species), 29 crustacean, 31 diplopod, 97 cnidarian, 81 mollusc and four onychophoran species.
For example, Read & Hughes (1987) observed that the onychophoran Macroperipatus torquatus in prey choice experiments would catch ctenid spiders instead of crickets.
To make the onychophoran connection, Ramskold and Hou have stretched the boundaries of the phylum.
Characterisation and localisation of the opsin protein repertoire in the brain and retinas of a spider and an onychophoran.
Relevant species from every Onychophoran region were included at DNA analysis, including the few Peripatidae available: accession Ns.
Only a single troglobiont onychophoran is known, from Jamaica.
From an anatomical point of view, the Onychophoran nervous system is composed of two cerebral masses joined together by a connecting peduncle, and a pair of widely separated longitudinal nerve cords connected by transversal commissures extending all along the length of the body (Hickman et al.
Another phylogenetic analysis included 73 sequences consisting of 21 crustacean, 3 insect, 13 chelicerate, 4 myriapod, and 1 onychophoran hemocyanins; 4 crustacean cryptocyanins; 7 crustacean and 9 insect phenoloxidases; 9 insect hexamerins; and 2 putative phenoloxidases from the tunicate Ciona intestinalis.