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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Gamasomorpha squalens       Get publication



            Male (PBI_OON 12003). Total length 2.86. CEPHALOTHORAX: Carapace orange-brown, without any pattern, ovoid in dorsal view, pars cephalica strongly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with rounded posterolateral corners, posterolateral edge with pair of pits, posterior margin not bulging below posterior rim, anterolateral corners without extension or projections, thorax without depressions, fovea absent, one pair of very small, slightly pointed spikes at the posterolateral edge of the carapace., carapace surface elevated portion of pars cephalica very finely diagonally striate., without radiating rows of pits, carapace surface sides very finely reticulate.; lateral margin straight, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae light, needle-like, present in u-shaped row, non-marginal pars cephalica setae present in u-shpaed row with a longitudinal middle-row; non-marginal pars thoracica setae light, needle-like; marginal setae light, needle-like. Clypeus margin slightly rebordered, straight in front view, vertical in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, light, needle-like. Chilum absent. Eyes six, well developed, ALE, PME subequal, larger than PLE, all eyes oval; posterior eye row recurved from above, procurved from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME touching throughout most of their length, PLE-PME separated by less than PME radius. Sternum longer than wide, orange-brown, uniform, fused to carapace, median concavity absent, without radial furrows between coxae I-II, II-III, III-IV, furrow with row of large pits, radial furrow opposite coxae III absent, surface smooth, covered with large round pits, microsculpture only in furrows, sickle-shaped structures absent, anterior margin with continuous transverse groove, posterior margin extending posteriorly beyond anterior edges of coxae IV as single extension, anterior corner unmodified, lateral margin with infra-coxal grooves and anterior and posterior openings, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins with indented extensions between coxae, with posterior hump, sternum surface pits laterally rather longish than round; setae abundant, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-brown. Chelicerae slightly divergent, anterior face unmodified; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered, chelicerae paturon promargin anterior with one feather-like setae nearly as long as fang; paturon inner margin with scattered setae, distal region abruptly narrowed, posterior surface unmodified, promargin with row of flattened setae, inner margin unmodified. Labium rectangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip unmodified, posteromedian part unmodified, same as sternum in sclerotization. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions white, without color pattern. Book lung covers small, very narrow, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube medium, ribbed, scuto-pedicel region unmodified, scutum not extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum strongly sclerotized, orange-brown, without color pattern, covering full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, anterior half without projecting denticles, dorsal scutum very finely striated giving the spider a matt apearance. Epigastric scutum strongly sclerotized, surrounding pedicel, slightly protuding, small lateral sclerites absent, surface very finely striated. Postepigastric scutum strongly sclerotized, orange-brown, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with short posteriorly directed lateral apodemes, postepigastric scutum very finely striated. Spinneret scutum present, incomplete ring. Supra-anal scutum absent. Dorsum setae present, light, plumose. Epigastric area setae uniform, light, plumose, scuto-pedicel region needle-like, long setae. Postepigastric area setae present, light, plumose. Spinneret scutum with fringe of long setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus present. LEGS: orange-brown, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I shorter than carapace, tibia I unmodified, tibia IV specialized hairs on ventral apex present, tibia IV ventral scopula absent, metatarsi I and II meso-apical comb absent, metatarsi III and IV weak ventral scopula absent, tibiae specialized hairs on ventral apex of tibia III and IV with even hair-shaft and a bent, narrowing, plumose, hair tip. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria examined with Compound microscope; tibia: each with three; metatarsus: each with one; base longitudinally narrowed, aperture internal texture not grate-like, hood smooth. GENITALIA: Epigastric region with sperm pore small, oval, situated at level of anterior spiracles, rebordered; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus dark, prolateral excavation absent; trochanter normal size, with ventral projection; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella basally; patella shorter than femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 3 trichobothria; cymbium pale orange, ovoid in dorsal view, fused with bulb but with clearly defined seam between, extending beyond distal tip of bulb, plumose setae absent, without stout setae, with distal patch of setae; bulb pale orange, shorter than cymbium, stout, tapering apically.
Gamasomorpha squalens, male abdomen, anterior view (image by BE, specimen ID: ---12003)

gamassqualmpabda12003BE.tif

Gamasomorpha squalens, male abdomen, dorsal view (image by BE, specimen ID: ---12003)

gamassqualmpabdd12003BE.tif

Gamasomorpha squalens, male booklung covers, lateral view (image by BE, specimen ID: ---12003)

gamassqualmpbocl12003BE.tif

Gamasomorpha squalens, male abdomen, ventral view (image by BE, specimen ID: ---12003)

gamassqualmpabdv12003BE.tif

Gamasomorpha squalens, male carapace, anterior view (image by BE, specimen ID: ---12003)

gamassqualmpcara12003BE.tif

Gamasomorpha squalens, male habitus, dorsal view (image by BE, specimen ID: ---12003)

gamassqualmphabd12003BE.tif

Gamasomorpha squalens, male habitus, lateral view (image by BE, specimen ID: ---12003)

gamassqualmphabl12003BE.tif

Gamasomorpha squalens, male habitus, ventral view (image by BE, specimen ID: ---12003)

gamassqualmphabv12003BE.tif

Gamasomorpha squalens, male sternum, ventral view (image by BE, specimen ID: ---12003)

gamassqualmpstev12003BE.tif

Gamasomorpha squalens, male palp, right, modified, prolateral view (image by BE, specimen ID: ---12003)

gamassqualmpparp12003BE.tif

Gamasomorpha squalens, male palp, right, modified, prolateral view (image by BE, specimen ID: ---12003)

gamassqualmdparp12003BE.tif

Gamasomorpha squalens, male embolus, ventral view (image by BE, specimen ID: ---12003)

gamassqualmdembv12003BE.tif

Gamasomorpha squalens, male embolus, prolateral view (image by BE, specimen ID: ---12003)

gamassqualmsembp12003BE.tif

Gamasomorpha squalens, male palp, dorsal view (image by BE, specimen ID: ---12003)

gamassqualmspald12003BE.tif

Gamasomorpha squalens, male abdomen, dorsal view (image by BE, specimen ID: ---12003)

gamassqualmsabdd12003BE.tif

Gamasomorpha squalens, male carapace, dorsal view (image by BE, specimen ID: ---12003)

gamassqualmpcard12003BE.tif


            Female (PBI_OON 12003). Total length 3.23. As in male except as noted. CEPHALOTHORAX: Carapace sides smooth, one pair of very small, nearly not visible spikes at the posterolateral edge of the carapace. Carapace surface elevated portion of pars cephalica very finely diagonally striate. Carapace surface sides very finely reticulate; non-marginal pars cephalica setae non-marginal pars cephalica setae present in u-shpaed row with a longitudinal middle-row. Sternum sternum surface pits laterally rather longish than round. Female palp claws absent; spines absent; tarsus unmodified, tarsus with small appendage on apex; trichobothria tibia with three trichobothria. ABDOMEN: Dorsal scutum dorsal scutum very finely striated giving the spider a matt apearance. Epigastric scutum without lateral joints, epigastric scutum very finely striate. Postepigastric scutum not fused to epigastric scutum, without posteriorly directed lateral apodemes, postepigastric scutum very finely striated. Epigastric area scuto-pedicel region needle-like, long setae. LEGS: patella plus tibia I near as long as carapace, tibiae specialized hairs on ventral apex of tibia III and IV with even hair-shaft and a bent, narrowing, plumose, hair tip. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope. GENITALIA: Dorsal view: receptaculum broadly-oval; sac-like structure inside receptaculum; transverse sclerite with attached nail-like structure at anterior side of receptaculum; special duct lying dorsally of receptaculum clearly shorther than half the length of receptaculum.
Gamasomorpha squalens, female abdomen, anterior view (image by BE, specimen ID: ---12003)

gamassqualfpabda12003BE.tif

Gamasomorpha squalens, female abdomen, ventral view (image by BE, specimen ID: ---12003)

gamassqualfpabdv12003BE.tif

Gamasomorpha squalens, female booklung covers, lateral view (image by BE, specimen ID: ---12003)

gamassqualfpbocl12003BE.tif

Gamasomorpha squalens, female carapace, prolateral view (image by BE, specimen ID: ---12003)

gamassqualfpcarp12003BE.tif

Gamasomorpha squalens, female habitus, dorsal view (image by BE, specimen ID: ---12003)

gamassqualfphabd12003BE.tif

Gamasomorpha squalens, female habitus, lateral view (image by BE, specimen ID: ---12003)

gamassqualfphabl12003Be.tif

Gamasomorpha squalens, female sternum, ventral view (image by BE, specimen ID: ---12003)

gamassqualfpstev12003Be.tif

Gamasomorpha squalens, female habitus, dorsal view (image by BE, specimen ID: ---12003)

gamassqualfphabd12003BE.tif.tif

Gamasomorpha squalens, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---12003)

gamassqualfdepid12003BE.tif

Gamasomorpha squalens, female epigynum, epigynal area, posterior view (image by BE, specimen ID: ---12003)

gamassqualfdepiT12003BE.tif

Gamasomorpha squalens, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---12003)

gamassqualfpepid12003BE.tif

 

DISTRIBUTION

MALAYSIA ; SINGAPORE
Gamasomorpha squalens coordinates
Click the following link for a map from Discover Life which displays the records below. You can click anywhere on that map to zoom in, and clicking on any point will display the full data for that locality Gamasomorpha squalens, Discover Life Map
 

MATERIAL EXAMINED
Order by:    
PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00016033  MALAYSIA  Pahang    Bukit Charas  1 Adult Female  Paratype  60  3.91141; 103.14727  forest remnants at foot of limestone hill  03 Jun 2004  P. Schwendinger  MHNG 
PBI_OON 00016034  MALAYSIA  Pahang    Bukit Charas  1 Adult Male  Paratype  60  3.91141; 103.14727  forest remnants at foot of limestone hill  03 Jun 2004  P. Schwendinger  NMBE 
PBI_OON 00016032  MALAYSIA  Pahang    Bukit Charas  1 Adult Male  Holotype  60  3.91141; 103.14727  forest remnants at foot of limestone hill  03 Jun 2004  P. Schwendinger  MHNG 
PBI_OON 00031344  MALAYSIA  Pahang    Bukit Charas  1 Adult Female  Paratype  60  3.91141; 103.14727  forest remnants at foot of limestone hill  03 Jun 2004  P. Schwendinger  MHNG 
PBI_OON 00012003  MALAYSIA  Pahang    Bukit Charas  1 Adult Male  Paratype  60  3.91141; 103.14727  forest remnants at foot of limestone hill  03 Jun 2004  P. Schwendinger  MHNG 
PBI_OON 00012002  MALAYSIA  Pahang    Bukit Charas  1 Adult Male  Paratype  60  3.91141; 103.14727  forest remnants at foot of limestone hill  03 Jun 2004  P. Schwendinger  MHNG 
PBI_OON 00016035  MALAYSIA  Pahang    Bukit Charas  1 Adult Female  Paratype  60  3.91141; 103.14727  forest remnants at foot of limestone hill  03 Jun 2004  P. Schwendinger  NMBE 
PBI_OON 00031922  SINGAPORE  Singapore    Bukit Timah  3 Adult Female      1.35470; 103.77605  forest remnants at foot of limestone hill  21 Feb 1983  Deeleman, Christa  RMNH 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
The California Academy of Sciences, San Francisco   The University of California, Berkeley
The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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This material is based upon work supported by the National Science Foundation under Grant No. DEB 0613754. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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