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Syleus

Suborder

Eupnoi

Superfamily

Phalangioidea

Family

Sclerosomatidae

Subfamily

Gagrellinae

Syleus Thorell, 1876 is a genus in the family Sclerosomatidae, subfamily Gagrellinae.

TaxonomyEdit

  • Acanthonotus C.L. Koch, 1839:36 (Junior homonym of Acanthonotus Goldfuss, 1809 (Mammalia, Tachyglossidae)
  • Syleus Thorell, 1876:114 (replacement name for Acanthonotus)

EtymologyEdit

Acanthonotus: Ακανθα = spine + Νωτος = back

Syleus: Mythological character - son of Poseidon, who forced passing strangers to dig in his vineyard, until he was killed by Heracles (Hercules).

Type speciesEdit

Acanthonotus niger C.L. Koch, 1839, now Syleus niger (C.L. Koch, 1839)

SpeciesEdit

Description[1]Edit

Tuber oculorum so hoch wie lang wie breit, oben-jederseits der median Längsfurche mit je 1 Zähnchen-Längsreihe. - Scutum mit 1 median Längsreihe. aus 4 Dorn, deren 1 der kürzeste ist. - Höckerchen der Randreihe der 1-4 Coxa 4-eckig-stumpf. - Beine relativ kurz; 1 Femur nicht keulig; Verteilung der Noduli am 1-4 Femur ?

Translated by google:

Ocular tubercle as high as long as broad, one longitudinal row of teeth above each side of the median longitudinal furrow. - Scutum with 1 median longitudinal row Of 4 thorns, the first of which is the shortest. - Tubercles of the marginal row of Coxae 1-4 are square and blunt. - Legs relatively short; femur 1 is not cudgy; Distribution of the nodules on the 1-4 femur unknown.

Key to SpeciesEdit

1. Pedipalps: Patella with apophysis; Ocular tubercle with larger thorns; Body black to dark brown.........2

-. Pedipalps: Patella without apophysis; ocular tubercle only granulated; Scutal thorns 1 & 4 same size, but smaller than scutal thorns 2 & 3; both equally large...........Syleus rufus

2. Body deep black; Scutum and coxae not covered with a secretion; Femora & tibia light brown, Patellae dark brown; chelicerae brown..................................................Syleus niger

-. Body dark brown; Scutum partly, free sternite and coxae entirely covered with a white secretion; Legs plain light brown; Chelicerae pale yellow.....................................Syleus mysoreus

NotesEdit

  • Location: India
  • Roewer lists the genus Acanthonotus as having been described in 1848[1][2], but Koch's paper[3] links back to his previous publication in 1839[4].

LiteratureEdit

ReferencesEdit

  1. 1.0 1.1 Roewer, C.F. (1923) Die Weberknechte der Erde. Systematische Bearbeitung der bisher bekannten Opiliones. Gustav Fischer, Jena, 1116 pp.
  2. 2.0 2.1 Roewer, C.F. (1955a) Indoaustralische Gagrellinae (Opiliones, Arachnidae). (Weitere Weberknechte XVIII). 3. Teil. Senckenbergiana Biologica, Frankfurt, 36(1/2), 71–121.
  3. 3.0 3.1 Koch, C.L. (1847b) Die Arachniden getreu nach der Natur abgebildet und beschrieben. Vol 16 (“1848”). J.L. Lotzbeck, Nürnberg, 80 pp., pl. DXLI-DXLIII.
  4. 4.0 4.1 Koch, C.L. (1839c) Übersicht des Arachnidensystems. Zweites Heft. C.H. Zeh, Nürnberg, 38 pp., 6 plates. [Issued December 1839].
  5. Thorell, T.T.T. (1876b) Descrizione di alcune specie di Opilioni dell' Arcipelago Malese appartenenti al Museo Civico di Genova. Annali del Museo Civico di Storia Naturale di Genova, Genova, (series 1) 9 [“1876-1877”], 111–138. [Issued as preprint in 27 Nov 1876].

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