(Arango, Claudia P. & Brenneis, Georg 2013)
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Familia: Callipallenidae
Name
Pseudopallene Wilson 1878 – Wikispecies link – Pensoft Profile
- Pseudopallene Arango, Claudia P., 2013, Zootaxa 3616: 411-415.
Description
Australian Pseudopallene species—including those reported herein—differ from the type species P. circularis collected from the fjord of Scotland’s Forth River (Firth of Forth), in the ventralized position of the proboscis, which is in some species tapering, and the mostly glabrous body and legs. On the other hand, they share the massive cheliphores, the sometimes irregular, knobby fingers, and some degree of neck constriction (Goodsir 1842; Hedgpeth 1948). A comparison of colouration and some diagnostic characters among species proposed here and other South-Australian Pseudopallene species is presented in Table 3.
TABLE 3. Summary of diagnostic morphological characters and finger, FF=fixed chela finger. Characters tasmania gracilis constricta harrisi sp. nov. sp. nov. sp. nov. sp. nov. Constrictions on femur and absent absent absent absent tibiae live colouration among South-Australian Pseudopallene species. *In Staples flava reflexa brevicephala pachycheira ambigua * chevron *sp. nov. two regular irregular and marked absent absent absent absent surface constrictions per article2005, 2007. MF=movable watsonae * inflata * absent absent chela ‘variabilis’ complex absent straight, tip Inflated, inflated straight, protruding marked basally, Proboscis distal third surrounded by constriction distal third cone-shaped tuft of setae at midpoint cone-shaped cylindrical cylindrical straight, straight, straight, most length, most length, Cone-shaped distal third distally distally distally distally from base to cone tapering to tapering to tapering to tapering to tip -shaped cone-shaped protruding tip pointy tip pointy tip2/3 cylindrical, then straight, tapering to distal third pointy tip cone-shaped with tuft of seate cylindrical tapering only distally minimal, with parallel with parallel constriction sides, twice Neck sides as long variable, next to as long as extension as ovigers short or long ocular width of base width tubercle oviger base twice as short, as short, but short, but minimal, minimal, long as long as constriction constriction constriction constriction width of wide, with separated separated from next to ocular next to ocular oviger base, parallel from ocular ocular tubercle tubercle tubercle with parallel sides tubercle sides parallel sides short, section constriction long, twice next to oviger base oviger base width variable, parallel sides or minimal Pre-ocular distinctly mid-dorsal Low, round absent absent elevated mound absent absent absent or low low &round Low, round absent distinctly very elevated prominent low & round or distinctly elevated Dorsal longitudinal faint along absent only frontal only frontal division line entire neck of cephalon faint along distinct along distinct along absent only frontal absent entire neck entire neck entire neck distinct distinct along entire along entire neck neck presence and extension variable edges edges straight, straight, MF curved, edges straight, except narrow gap shorter than FF and MF proximally, between FF, only tip Chela fingers touching along distinct gap proximal of MF entire length when closed, halves when touching when closed only tips closed with edge of FF touching tips crossing straight, MF curved, MF curved, slightly cutting edges shorter than shorter than straight, curved and edge of FF with low FF, with FF, large gap shallow gap slender, straight, lobes, FF and shallow when closed, when closed, only tips only tips touch MF edges middle only tip of MF only tips touch when when closed completely knob, touching edge touching closed touching shallow gap of FF when closed when closed short, blunt, touching when straight, closed, lobe shallow gap on each when closed, finger only tips matches touching gap on edge of opposing finger FF straight, MF slightly curved, small gap when closed, touching only distally
…… continued on the next page TABLE 3. (Continued) Body length ~ 3.3 ~ 2.3 ~ 3.3 ~ 5.3 ~ 4.2 ~ 3.5 ~ 2.6 ~ 2.8 ~ 5.6 ~ 3.5 ~ 3.4 ~ 1.9 ~ 2.5(mm)
Characters Propodus curvature & propodal heel tasmania sp. nov. propodus straight, heel very low gracilis sp. nov. propodus weakly curved, heel very low constricta sp. nov. propodus strongly curved, heel prominent harrisi sp. nov. propodus weakly curved, heel very low flava sp. nov. propodus weakly curved, heel low reflexa propodus strongly curved, heel prominent brevicephala propodus curved, heel small, right at base of propodus pachycheira propodus curved, heel present ambigua * propodus weakly curved, heel very low Chevron * propodus weakly curved, heel low watsonae * propodus weakly curved, heel low inflate* propodus weakly curved, heel low ‘variabilis’ complex propodus weakly curved, heel low Propodal heel spines3 spines in single row increasing in size distally5 spines in a row, distal-most largest variable number, increasing size distally, 4-6 middle spines robust, larger3-4 spines, distal one longer than half propodus diameter6 spines, distal-most 2 opposing, middle one longest diagnostic V-shaped arrangement of 9-10 spines7-10 short but well developed spines6 large & robust spines, slightly shorter than half propodus diameter2- 3 spines, distal-most the largest4 spines, 2 proximal shorter than distal ones2-3 larger, stout proximal spines + 2 smaller distal ones4 spines in a row, distal-most longest, but less than half propodal diameter5-6 spines, 3 shorter proximal, 4th longest, followed by pair of small spines Terminal oviger claw crenulated on distal half of inner margin only serrated on both margins, only distal halves, forming groove in between serrated on both margins, only distal halves, forming groove in between serrated along nearly entire inner margin, few shallow distal crenulations on outer margin serrated on both margins, from base to tip on inner margin, only distal half on outer margin, forming groove in between serrated on both margins, only distal halves or less (on inner margin), forming deep groove in between serrated on both margins, only distal halves, forming groove in between serrated on both margins, distal half of inner edge and distal third of outer edge low crenulations on inner margin only serrated on both margins, distal half of inner margin and distal third of outer margin serrated on distal half of inner margin and a section distally of outer margin crenulated along inner margin, shallower distally, low crenulations on distal portion of outer margin serrated both margins half distal only, forming groove in between
plain Unknown
orange-brown, yellow, or for the yellow with
greyish Tasmanian yellow with
dark red with holotype, red markings,
Live transparent, dark uniformly uniformly specimen with uniformly red marks
bright orange-brown orange-red presumably V-shaped red not reported
colouration red midgut yellow-orange yellow yellow yellow-orange yellow and black
yellow bands yellow or marks on
visible banding tips of
variable trunk
pattern chelae and colouration proboscis
Taxon Treatment
- Arango, Claudia P.; Brenneis, Georg; 2013: New species of Australian Pseudopallene (Pycnogonida: Callipallenidae) based on live colouration, morphology and DNA, Zootaxa 3616: 411-415. doi
This treatment was originally uploaded by Plazi, compare this treatment on Plazi. Unless this treatment has been substantially changed on Species-ID, Plazi requests to maintain a link back to the original repository.
