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Eucaenus ovalis Scudder 1885 (winged insect)

Insecta - Protorthoptera - Eucaenidae

PaleoDB taxon number: 191932

Synonyms: Eucaenus attenuatus Melander 1903 (no. 211823), Eucaenus mazonus Melander 1903 (no. 191933), Eucaenus minor Handlirsch 1911 (no. 192005), Teneopteron mirabile Carpenter 1943 (no. 211845)

Full reference: S. H. Scudder. 1885. Palaeodictyoptera; or the affinities and classification of Paleozoic Hexapoda. Memoirs of the Boston Society of Natural History 3(11):319-351

Belongs to Eucaenus according to F. M. Carpenter and E. S. Richardson 1976

Sister taxa: none

Type specimens:

  • Eucaenus ovalis: USNM 38142, an exoskeleton. Its type locality is Mazon Creek, USNM Lacoe Collection, which is in a Westphalian D interdistributary bay mudstone in the Carbondale Formation of Illinois.
  • Eucaenus attenuatus: Chicago Academy Sciences 4749, an exoskeleton. Its type locality is Mazon Creek (Chicago Acad Sci Egan collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.
  • Eucaenus mazonus: FMNH UC 9242, an exoskeleton. Its type locality is Mazon Creek (FMNH Gurley collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.
  • Eucaenus minor: YPM 50, an exoskeleton (Body with wings attached, apexes broken). Its type locality is Mazon Creek (YPM collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.
  • Teneopteron mirabile: ISM 14887, an exoskeleton. Its type locality is Mazon Creek (Illinois State Museum collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.

Ecology:

Average measurements (in mm): body 22.5 x 4.6, forewing 20.5 x 5.1, wing 21.2 x 9.0