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Taxonavigation: Archaeorthoptera 

Superregnum: Eukaryota
Regnum: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Supercohort: Polyneoptera
Superordo: Archaeorthoptera

Familia: †Geraridae
Genus: Gerarus
Species: G. collaris – G. danielsi – G. fischeri – G. teutonicus – G. vetus [source: Brauckmann & Herd (2005: 23)]


  • Gerarus Scudder, 1885 [source: Scudder (1885: 344-345)]
    • Gender: masculine
    • Type species: Gerarus vetus Scudder, 1885, by monotypy [two other nominal species originally included conditionally] [source: Scudder (1885: 344-345)]



cited sources[edit]

  • Brauckmann, C.; Herd, K.J. 2005: [Insect finds from the Westphalian D (Upper Carboniferous) of Piesberg at Osnabrueck (Germany). Part 2: Neoptera.] Osnabrücker Naturwissenschaftliche Mitteilungen, 30-31: 19-65. ISSN: 0340-4781 PDF
  • Scudder, S.H. 1885: Palaeodictyoptera: on the affinities and classification of Paleozoic Hexapoda. Memoirs read before the Boston Society of Natural History, 3: 319–351. BHL

additional references[edit]

  • Béthoux, O.; Briggs, D.E.G. 2008: How Gerarus lost its head: stem-group Orthoptera and Paraneoptera revisited. Systematic entomology, 33: 529-547. doi: 10.1111/j.1365-3113.2008.00419.x
  • Béthoux, O.; Nel, A. 2003: Wing venation morphology and variability of Gerarus fischeri (Brongniart, 1885) sensu Burnham (Panorthoptera; Upper Carboniferous, Commentry, France), with inferences on flight performances. Organisms diversity & evolution, 3: 173–183. doi: 10.1078/1439-6092-00070
  • Brongniart, C. 1885: Les Insectes fossiles des terrains primaires. Coup d’oeil rapide sur la faune entomologique des terrains paléozoïques. Bulletin de la Société des Amis des Sciences naturelles de Rouen, 1885: 50–68. [not seen]
  • Burnham, L. 1983: Studies on Upper Carboniferous insects: 1. The Geraridae (Order Protorthoptera). Psyche, 90: 1–57. doi: 10.1155/1983/42898