Project 647: E. S. Volschenk, L. Prendini. 2008. Aops oncodactylus, gen. et sp. nov., the first troglobitic urodacid (Urodacidae:Scorpiones), with a re-assessment of cavernicolous, troglobitic and troglomorphic scorpions. Invertebrate Systematics. 22 (2):235.
Specimen: Nebo hierichonticus (unvouchered)
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Abstract

We describe a new genus and species of troglomorphic scorpion from Ledge Cave, Barrow Island, off the north-western coast of Western Australia. This troglobite scorpion was initially difficult to place within the superfamily Scorpionoidea Latreille on account of its unusual morphology. Based on cladistic analysis, we demonstrate that this scorpion is phylogenetically most closely related to the endemic Australian genus Urodacus Peters (Urodacidae Pocock). The new taxon, named Aops oncodactylus, gen. et sp. nov., is the first troglobitic urodacid and the first troglobitic scorpion recorded from continental Australia. In light of this discovery, we re-assess the known diversity of troglobitic scorpions and the troglomorphic adaptations (troglomorphies) of cavernicolous scorpions. A distinction is recognised between the exclusive occurrence in cavernicolous habitats and the presence of troglomorphies, which are exhibited by some endogean (humicolous) scorpions. The definition of troglobitic scorpions is limited to species that are both restricted to cavernicolous habitats and exhibit pronounced troglomorphies. Only 20 scorpion species meet both criteria and are considered unequivocally troglobitic according to this definition.


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Article DOI: 10.1071/IS06054

Project DOI: 10.7934/P647, http://dx.doi.org/10.7934/P647
This project containsMatrices
  • 3 Media
  • 1 Matrix
  • 2 Documents
  • 16 Taxa
  • 3 Specimens
  • 56 Characters
Total size of project's media files: 2.13M

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Total scored cells: 833
Total media associated with cells: 0
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Characters
Total characters: 56
Total characters with associated media: 0
Total characters with media with labels: 0
Total character states: 126
Total character states with associated media: 0
Total character states with media with labels:0
Total unordered/ordered characters:56/0
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MorphoBank Project 647

    Authors' Institutions

    • American Museum of Natural History

    • Western Australian Museum



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    Taxonomic Overview for Matrix 'M24642' (15 Taxa)

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    [1] Lisposoma josehermana
    Last Modified in 04/25/17
    0555501002
    [2] Hemiscorpius lepturus
    Last Modified in 04/25/17
    0565600002
    [3] Opisthacanthus validus
    Last Modified in 04/25/17
    0565600002
    [4] Nebo hierichonticus
    Last Modified in 04/25/17
    0565600002
    [5] Scorpio maurus mogadorensis
    Last Modified in 04/25/17
    0565600002
    [6] Heteroscorpion opisthacanthoides
    Last Modified in 04/25/17
    0545402002
    [7] Aops oncodactylus
    Last Modified in 04/25/17
    8454404002
    [8] Urodacus macrurus
    Last Modified in 04/25/17
    0545402002
    [9] Urodacus manicatus
    Last Modified in 04/25/17
    0545402002
    [10] Urodacus mckenziei
    Last Modified in 04/25/17
    0545402002
    [11] Urodacus megamastigus
    Last Modified in 04/25/17
    0545402002
    [12] Urodacus novaehollandiae
    Last Modified in 04/25/17
    0545402002
    [13] Urodacus planimanus
    Last Modified in 04/25/17
    0545402002
    [14] Urodacus varians
    Last Modified in 04/25/17
    0545402002
    [15] Urodacus yaschenkoi
    Last Modified in 04/25/17
    0545402002


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    Specimen list1411
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