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Mysorea thaiensis Suzuki, 1985
Mysorea thaiensis Suzuki, 1985, from original description.







Assamiidae Sørensen 1884 is a family of Paleotropical Grassatores with numerous subfamilies.

Mello-Leitão (1949) proposed that 4 of these subfamilies should be included in the separate family Trionyxellidae, but this proposal has not gained wide acceptation.

Placement and compositionEdit

Assamiidae was originally a monogeneric family. Thorell (1889[1]) included Maracandus (originally in Phalangodidae) and erected 3 new genera and later (1891a[2], 1891c[3]) added two more SE Asian genera one apiece. Sørensen (1896[4]) described four new African genera and synonymized Dampetroidae. Loman (1902) confirmed the inclusion of Dampetridae and added Samoidae to the synonymy, adding thus 3 former Samoidae of Simon and Sørensen (Badessa, Feretrius, Samoa) plus describing 8 new genera (Acanthophrys, Coelobunus, Conomma, Dicoryphus, Hypoxestus, Mitraceras, Monorhabdium, Polycoryphus).

Roewer (1912c[5]) notably misspelled the family name and made important changes to the Assamiidae – he restored the Samoidae, but as a subfamily of Phalangodidae (thus removing the 3 genera brought by Loman), included 2 former Ethiopian Epedanidae of Pavesi (Amhara and Sidama), removed Conomma (to the Phalangodinae) and Mitraceras (to the Samoinae), for the first time distinguished 3 subfamilies: Assamiinae, the old Dampetridae/Dampetrinae of Sørensen, and the new monogeneric Trionyxellinae.

Included subfamiliesEdit


  1. Thorell, T.T.T. (1889) Aracnidi Artrogastri Birmani raccolti da L. Fea nel 1885–1887. In: Viaggio di Leonardo Fea in Birmania e regione vicine. XXI. Annali del Museo Civico di Storia Naturale di Genova, Genova, series 2, 7(3), 521–729, plate 5.
  2. Thorell, T.T.T. (1891a) Aracnidi di Nias e di Sumatra raccolti nel 1886 dal Sig. E. Modigliani. Annali del Museo Civico di Storia Naturale di Genova, Genova, (serie 2) 10 (= 30) [“1890-1891”], 5–106.
  3. Thorell, T.T.T. (1891c) Opilioni nuovi o poco conosciuti dell´Arcipelago Malese. Annali del Museo Civico di Storia Naturale di Genova, Genova, series 2, 10 (= 30) [“1890-1891”], 669–770, plates 8–9.
  4. Sørensen, W.E. (1896) Opiliones Laniatores a cl. Dr. Yngwe Sjöstedt in Kamerun (Africa Centrali) collectos. Entomologisk tidskrift, Stockholm, 17(2–3), 177–202.
  5. Roewer, C.F. (1912c) Die Familien der Assamiiden und Phalangodiden der Opiliones-Laniatores. (= Assamiden, Dampetriden, Phalangodiden, Epedaniden, Biantiden, Zalmoxiden, Samoiden, Palpipediden anderer Autoren). Archiv für Naturgeschichte, Berlin, Abt. A, Original-Arbeiten, 78(3), 1–242.

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