Paropisthopatus is a monospecific genus of velvet worm containing the single species Paropisthopatus umbrinus.[1] Females of this species range from 20 mm to 70 mm in length.[2] The type locality is in central Chile.[3] Velvet worms in this genus have 16 pairs of legs.[4] This genus exhibits matrotrophic viviparity, that is, mothers in this genus retain eggs in their uteri and supply nourishment to their embryos, but without any placenta.[5]

Paropisthopatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Onychophora
Family: Peripatopsidae
Genus: Paropisthopatus
Ruhberg, 1985
Species:
P. umbrinus
Binomial name
Paropisthopatus umbrinus
(Johow, 1911)
Synonyms
  • Peripatus (Peripatopsis) umbrinus (Johow 1911)
  • Metaperipatus umbrinus (Clark, 1915)

A second species assigned to this genus, Paropisthopatus costesi (Gravier & Fage, 1925), is considered a nomen dubium by Oliveira et al., 2012.

References edit

  1. ^ "Updated Onychophora checklist". Onychophora Website. Retrieved 3 July 2016.
  2. ^ Monge-Nájera, Julián (1994). "Reproductive trends, habitat type and body characteristcs in velvet worms (Onychophora)". Revista de Biología Tropical: 611–622. ISSN 2215-2075.
  3. ^ Oliveira, I. S.; Read, V. M. S. J.; Mayer, G. (2012). "A world checklist of Onychophora (velvet worms), with notes on nomenclature and status of names". ZooKeys (211): 1–70. doi:10.3897/zookeys.211.3463. PMC 3426840. PMID 22930648.
  4. ^ Reid, A. L. (1996). "Review of the Peripatopsidae (Onychophora) in Australia, with comments on peripatopsid relationships". Invertebrate Systematics. 10 (4): 663–936. doi:10.1071/it9960663. ISSN 1447-2600.
  5. ^ Mayer, Georg; Franke, Franziska Anni; Treffkorn, Sandra; Gross, Vladimir; de Sena Oliveira, Ivo (2015), Wanninger, Andreas (ed.), "Onychophora", Evolutionary Developmental Biology of Invertebrates 3, Vienna: Springer Vienna, pp. 53–98, doi:10.1007/978-3-7091-1865-8_4, ISBN 978-3-7091-1864-1, retrieved 2023-02-15