Peripatidae


































Peripatidae
Temporal range: 40–0 Ma

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Velvet worm (2002).jpg

Scientific classification edit
Kingdom:
Animalia
Phylum:
Onychophora
Class:
Udeonychophora
Order:
Euonychophora
Family:
Peripatidae
Evans, 1901
Genera

See text



Onychophora dis.png
Global range of Onychophora: Peripatidae in green, Peripatopsidae in red

Peripatidae is a family of velvet worms.[1] The oldest putative representatives of the family herald from Burmese amber dated to the mid-Cretaceous, around 100 Ma, with representatives from Dominican and Baltic amber attesting to a broader distribution in the Palaeogene / Neogene; molecular variability suggests that the family's crown group may have arisen in the early Mesozoic.[2]




Contents






  • 1 Description


  • 2 Distribution


  • 3 Genera


  • 4 References





Description


The Peripatidae exhibit a range of derivative features. They are longer, on average, than the Peripatopsidae and also have more leg pairs, numbering between 22 and 43—the gonopore is always between the penultimate pair. There are no oviparous species—the overwhelming majority are viviparous. The females of many viviparous species develop a placenta with which to provide the growing embryo with nutrients.[citation needed]



Distribution


The Peripatidae are restricted to the tropical and subtropical zones; in particular, they inhabit Central America, northern South America, Gabon, Northeast India, and Southeast Asia.[3]



Genera




  • Cerradopatus Oliveira et al. 2015

  • †Cretoperipatus Engel & Grimaldi, 2002


  • Eoperipatus Evans, 1901


  • Epiperipatus Clark, 1913


  • Heteroperipatus Zilch, 1954


  • Macroperipatus Clark, 1913


  • Mesoperipatus (Bouvier, 1898)


  • Oroperipatus Cockerell, 1908


  • Peripatus Guilding, 1826


  • Plicatoperipatus (Grabham & Cockerell, 1892)


  • Principapillatus Oliveira et al. 2013


  • Speleoperipatus Peck, 1975


  • Typhloperipatus Kemp, 1913



References





  1. ^ Oliveira, I.; Hering, L. & Mayer, G. "Updated Onychophora checklist". Onychophora Website. Retrieved 24 November 2016..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ Murienne, J.; Daniels, S. R.; Buckley, T. R.; Mayer, G.; Giribet, G. (2013). "A living fossil tale of Pangaean biogeography". Proceedings of the Royal Society B: Biological Sciences. 281 (1775): 20132648. doi:10.1098/rspb.2013.2648. PMC 3866409. PMID 24285200.


  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.













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