Nemastomoides

Nemastomoides
Nemastomoides
Temporal range: Carboniferous
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Opiliones
Suborder: Dyspnoi
Superfamily: Nemastomatoidea
Family: Nemastomoididae
Petrunkevitch, 1955
Genus: Nemastomoides
Thevenin, 1901
Species
  • Nemastomoides elaveris
  • Nemastomoides longipes

Nemastomoides is an extinct genus of harvestmen known from the Carboniferous fossil record. The genus is the only member of the family Nemastomoididae and contains three described species. Nemastomoides elaveris was found in the Coal Measures of Commentry in northern France, together with Eotrogulus fayoli.

Alexander Petrunkevitch described two fossil harvestmen from Mazon Creek, Illinois, USA, in 1913 in the genus Protopilio, but later synomymized the two with the genus Nemastomoides.

While N. longipes is a harvestman with long legs and a segmented oval body, N. depressus is in reality not a harvestman, but a poorly preserved phalangiotarbid.[1]

While the Nemastomoididae are currently included in the harvestman suborder Dyspnoi, they look more like Eupnoi.[1]

Species

  • Nemastomoides elaveris Thevenin, 1901
  • Nemastomoides longipes (Petrunkevitch, 1913)

Not a harvestman, but a phalangiotarbid:

  • Nemastomoides depressus (Petrunkevitch, 1913)

Footnotes

  1. ^ a b Dunlop, Jason A. (2007): Paleontology. In: Pinto-da-Rocha et al. 2007: 255

References

  • Joel Hallan's Biology Catalog: Nemastomoididae
  • Thevenin, A. (1901): Sur la découverte d'arachnides dans le terrain houiller de Commentry. Bull Soc Géol. Fr. 4(1): 605-611.
  • Petrunkevitch, A. I. (1955): Arachnida. pp. 42-162 in Treatise on Invertebrate Palaeontology, part P. Arthropoda 2 (R. C. Moore, ed.). Geological Society of America & University of Kansas Press, Lawrence.
  • Pinto-da-Rocha, R., Machado, G. & Giribet, G. (eds.) (2007): Harvestmen - The Biology of Opiliones. Harvard University Press ISBN 0-674-02343-9

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