Microdecemplex

Microdecemplex
Temporal range: Middle Devonian (Early Givetian–earliest Frasnian), 387.5–382 Ma[1]
Life restoration
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Myriapoda
Class: Diplopoda
Subclass: Chilognatha (?)
Order: †Microdecemplicida
Wilson & Shear, 2000[1]
Family: †Microdecemplicidae
Wilson & Shear, 2000
Genus: †Microdecemplex
Wilson & Shear, 2000
Species:
†M. rolfei
Binomial name
†Microdecemplex rolfei
Wilson & Shear, 2000

Microdecemplex rolfei is the only known species of the extinct, small-bodied millipede order Microdecemplicida. This order was considered on its original description as a member of the extinct subclass Arthropleuridea,[1] but a 2024 study suggested it belonged instead to the subclass Chilognatha.[2] Fossils, measuring less than 5 mm in length, are known from the Panther Mountain Formation of New York State, dating to the Middle Devonian. This species apparently lacks antennae and shows sexual dimorphism in its hind legs, which may be similar in function to the telopods of male living pill-millipedes that are used to grasp females during mating.[1][3]

References

  1. ^ a b c d Wilson, Heather M.; Shear, William A. (1999). "Microdecemplicida, a new order of minute arthropleurideans (Arthropoda: Myriapoda) from the Devonian of New York State, U.S.A.". Transactions of the Royal Society of Edinburgh: Earth Sciences. 90 (4): 351–375. doi:10.1017/S0263593300002674. ISSN 0263-5933.
  2. ^ Lhéritier, Mickaël; Edgecombe, Gregory D.; Garwood, Russell J.; Buisson, Adrien; Gerbe, Alexis; Koch, Nicolás Mongiardino; Vannier, Jean; Escarguel, Gilles; Adrien, Jérome; Fernandez, Vincent; Bergeret-Medina, Aude; Perrier, Vincent (2024-10-11). "Head anatomy and phylogenomics show the Carboniferous giant Arthropleura belonged to a millipede-centipede group". Science Advances. 10 (41). Bibcode:2024SciA...10P6362L. doi:10.1126/sciadv.adp6362. ISSN 2375-2548. PMC 11463278. PMID 39383233.
  3. ^ Shear, William A.; Edgecombe, Gregory D. (2010). "The geological record and phylogeny of the Myriapoda". Arthropod Structure & Development. 39 (2–3): 174–190. Bibcode:2010ArtSD..39..174S. doi:10.1016/j.asd.2009.11.002. PMID 19944188.


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