Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:7Public Records:0
Specimens with Sequences:1Public Species:0
Specimens with Barcodes:1Public BINs:0
Species:3         
Species With Barcodes:1         
          
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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Barychelidae

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Wikipedia

Barychelidae

The brushed trapdoor spiders (family Barychelidae) are a spider family with about 300 species in 44 genera.[1] This family is the only family in superfamily Barycheloidea.[2]

Most spiders in this family build trapdoor burrows. There are some species that avoid flooding by plugging their nests. Others can avoid drowning by trapping air bubbles within the hairs covering their bodies. Some members of this group have a rake on the front surface of their chelicerae used for compacting burrow walls.[3]

The about 10 mm long Idioctis builds its about 5 cm deep burrow just below high tide level, and seals it with a thin trapdoor. The about 20 mm long Sipalolasma builds its burrow in rotted wood, with a hinged trapdoor at each end of the burrow.[4]

Like the Theraphosidae (tarantulas), they can run up glass. Some species can stridulate.[5] However, unlike stridulation in the theraphosid Selenocosmiinae, barychelid stridulation, based as it is on very weak lyra, is not audible to man.

Distribution[edit]

Barychelids are found in Australia, New Caledonia, South America, Africa, Madagascar, India, New Guinea, and Pacific islands.[1]

Systematics[edit]

The classification into subfamilies follows Raven (1985, 1994).[5][6]

See also[edit]

Footnotes[edit]

  1. ^ a b Platnick 2008
  2. ^ Raven, R.J. 1985. The spider infraorder Mygalomorphae (Araneae): cladistics and systematics. Bulletin of the American Museum of Natural History 182: 1-180.
  3. ^ Herbert W. Levi and Lorna R. Levi, Spiders and Their Kin,, p. 20
  4. ^ Murphy & Murphy 2000
  5. ^ a b Raven, R.J. 1994 Mygalomorph spiders of the Barychelidae in Australia and the Western Pacific. Memoirs of the Queensland Museum 35(2): 291-706.
  6. ^ Raven, R.J. 1985. The spider Infraorder Mygalomorphae (Araneae): cladistics and systematics. Bulletin of the American Museum of Natural History 182: 1-180.
  7. ^ Raven, R.J. 1985. The spider Infraorder Mygalomorphae (Araneae): cladistics and systematics. Bulletin of the American Museum of Natural History 182: 1-180.

References[edit]

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