Hirondellea franklin, Lowry & Stoddart, 2010
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publication ID |
https://doi.org/ 10.11646/zootaxa.2329.1.3 |
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persistent identifier |
https://treatment.plazi.org/id/03DF3D2A-8A1B-BC11-7DD9-FF35FC6DF921 |
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treatment provided by |
Felipe |
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scientific name |
Hirondellea franklin |
| status |
sp. nov. |
Hirondellea franklin View in CoL sp. nov.
( Figs 7 View FIGURE 7 , 8 View FIGURE 8 )
Type material. HOLOTYPE, female, 9.5 mm, MV J60573 View Materials , 76 km south of Point Hicks , Victoria, Australia, 38°29.33'S, 149°19.98'E, 1840 m, sandy mud, fine shell, WHOI epibenthic sled, G.C.B. Poore et al., RV Franklin , 26 October 1988, stn SLOPE 69 GoogleMaps . PARATYPES: 1 female, MV J60574 View Materials , type locality; 1 male, MVJ60575, type locality ; 28 specimens, MV J60576 View Materials , type locality; 4 specimens, MV J60577 View Materials , type locality; 2 specimens, MV J15793 View Materials , type locality; 3 specimens, MV J60578 View Materials , 96 km south of Point Hicks , Victoria, Australia, 38°40.29'S 149°18.06'E, 2900 m, compacted clay, WHOI GoogleMaps epibenthic sled, 25 October 1988, G.C.B. Poore et al. on RV Franklin , stn SLOPE 66 .
Additional material. 2 specimens, AM P.68977, east of Newcastle , New South Wales, Australia, 33°03.6’S 152°48.8’E, 2632–2698 m, Menzies trawl, 8 October 1982, W. Ponder & R. T GoogleMaps . Springthorpe on RV Tangaroa , stn U216. — 3 immature specimens, AM P.68985, east of Cape Naturaliste , Tasmania, Australia, 40°45.94’S 149°01.62’E to 40°46.54’S 149°00.27’E, 2400–2500 m, mud, clay, 10 December 1986, R. T GoogleMaps . Springthorpe on RV Franklin , stn 1086-04. — 1 specimen, MV J17165 View Materials , 48 km east-north-east of Cape Tourville , Tasmania, Australia, 42°00.25'S, 148°43.55'E to 41°57.77'S, 148°42.08'E, 1264– 1130 m, gravel with lumps of sandy mud aggregate, WHOI GoogleMaps epibenthic sled, 30 October 1988, G.C.B. Poore et al. on RV Franklin , stn SLOPE 81 . — 1 female, MV J60579 View Materials , 54 km east-north-east of Cape Tourville , Tasmania, Australia, 41°57.30'S 148°58.54'E, 1770 m, coarse biogenic rubble, WHOI GoogleMaps epibenthic sled, G.C.B. Poore et al., 30 October 1988, RV Franklin , stn SLOPE 82 . — 10 specimens, P.73703, Hill U, 82.8 km south-southeast of South East Cape, Tasmania, Australia, 44°19'12"S, 147°7'12"E, 1083–1448 m, baited trap, 27–28 January 1997, CSIRO GoogleMaps party on FRV Southern Surveyor , stn SS01/97/41 . — 20 specimens, AM P.73701, Hill D1, south-south-east of South East Cape, Tasmania, Australia, 44°23'24"S 147°16'12" E, 1942 m, baited trap, 31 January 1997, CSIRO GoogleMaps party on FRV Southern Surveyor , stn SS01/97/65 . — 1 specimen, AM P.75575 and 1 specimen, AM P.75742, North of Hill U Seamount , Huon Study Area, Tasmania, Australia, 44°17'32"S 147°11'36"E, 1350 m, baited trap, 7 April 2007, S.J. Keable, FRV Southern Surveyor, stn SS02/2007/57 GoogleMaps
Type locality. 76 km south of Point Hicks , Victoria, Australia, 38°29.33'S 149°19.98'E, 1840 m depth GoogleMaps .
Etymology. The specific name refers to the vessel, RV Franklin , from which the collection of the type specimen was made; used as a noun in apposition.
Diagnosis. Head lobe broadly rounded. Epistome strongly produced, broadly rounded. Gnathopod 1 propodus palm strongly acute, straight; dactylus strongly over-reaching palm, with 1 subterminal spine on inner margin. Gnathopod 2 minutely subchelate; propodus length 1.7 × breadth. Epimeron 1 anteroventral corner with a sharp inwardly-directed point. Epimeron 3 posteroventral corner broadly rounded. Uropod 2 inner ramus incised. Uropod 3 outer ramus article 2 long, 0.4 × article 1. Telson length 1 × breadth, cleft 40 %.
Remarks. Along with Hirondellea sindhusagar from the northern Arabian Sea, the Australian species H. franklin , H. diamantina and H. naturaliste all have a strongly acute palm on gnathopod 1. Hirondellea franklin differs from H. sindhusagar and H. diamantina in having a rounded posteroventral corner on epimeron 3. It differs from H. naturaliste in the shape of the epistome, the shape of the gnathopod 1 palm (straight in H. franklin and slightly concave in H. naturaliste ), the chelation of gnathopod 2 (minutely subchelate in H. franklin and minutely chelate in H. naturaliste ), and the cleft of the telson, medium (40%) in H. franklin and deeply cleft (58%) in H. naturaliste .
Distribution. South-eastern Australia in 1770–2698 m depth.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.