Amaryllis dianae, Lowry & Stoddart, 2002

Lowry, J. K. & Stoddart, H. E., 2002, The Amaryllididae of Australia (Crustacea: Amphipoda: Lysianassoidea), Records of the Australian Museum 54, pp. 129-214: 143-146

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Amaryllis dianae


Amaryllis dianae   n.sp.

Figs. 11–13

Amaryllis macrophthalma   .– Chilton, 1921: 55 (in part).

Type material. HOLOTYPE, female, 16.5 mm, AM P 37378 View Materials , off South Mole, Arthur Head, Fremantle , Western Australia, eastern Indian Ocean , 32°03'S 115°44'E, 6 m, spirorbid worm tubes, J. K. Lowry , 25 December 1983, stn WA-283. 1 GoogleMaps   PARATYPE, female, AM P 37379 View Materials , type locality, 6 m, orange gorgonian   , R. T. Springthorpe, 25 December 1983, stn WA- 286. 2   PARATYPES, male, AM P 37380 View Materials , Cathedral Rock, Rottnest Island , Western Australia, 32°01.5'S 115°27'E, 3 m, orange tunicates GoogleMaps   , J. K. Lowry , 21 December 1983, stn WA-247. 1   PARATYPE, AM P 37381 View Materials , same locality, 3 m, coralline algae, some red algae and sponge   , J. K. Lowry, 21 December 1983, stn WA-248. 1   PARATYPE, male, AM P 37382 View Materials and 3   PARATYPES, female, WAM C 28202 View Materials , same locality, 6 m, mixed algae   , R. T. Springthorpe, 21 December 1983, stn WA-251   .

Additional material. VICTORIA: 1 specimen, AM P 58122 View Materials , Lawrence Rocks, Portland , 38°24'S 141°40.1'E, 23 m, bryozoan, possibly Orthoscuticella, R.T. Springthorpe & P.B. Berents   , 30 April 1988 GoogleMaps   , stn VIC-49. SOUTH AUSTRALIA: 1 specimen, NMV J 48799 View Materials , NE end of West Island, Encounter Bay, 35°37'S 138°36'E, 15 m, red algae, sponges and bryozoans, G. C. B. Poore & H. M. Lew Ton , 20 March 1985 GoogleMaps   , NMV stn SA-42   . 1 specimen, AM P 37383 View Materials , 8– 10 km off Semaphore, Gulf St Vincent , [approx. 34°52'S 138°20'E], 9 m, H. M. Hale, 1925 GoogleMaps   . 2 specimens AM P 37384 View Materials , Marino, Gulf St Vincent , [approx. 35°03'S 138°31'E], W. H. Baker, 1910 GoogleMaps   . 2 specimens, SAMA C5974, 20 View Materials km due W of Outer Harbour, Adelaide , [approx. 34°45'S 138°15'E], 23–25 m, quadrat G8, J. McPhalain, 17 April 1975 GoogleMaps   . 2 specimens, SAMA C5975, same locality, quadrat H4, J. McPhalain , 22 April 1975 GoogleMaps   . 1 specimen, SAMA C5976, same locality, quadrat G6, J. McPhalain , 17 April 1975 GoogleMaps   . 1 specimen, SAMA C5977, same locality, quadrat H7, J. McPhalain , 22 April 1975 GoogleMaps   . 1 specimen, SAMA C5978, Tiparra Reef, Spencer Gulf , S. A., [approx. 34°03'S 137°24'E], 5 m, in seagrass Posidonia, S.A. Shepherd   GoogleMaps   . 2 specimens, SAMA C5979, The Pages , [approx. 35°47'S 138°17'E], 27 m, dredged, K. Sheard, 12 April 1941 GoogleMaps   . 1 specimen, AM P 37385 View Materials , Nepean Bay, Kangaroo Island , [approx. 35°42'S 137°37'E], F. Moorhouse, May 1938 GoogleMaps   . 1 specimen, AM P 37386 View Materials , unknown locality, Gulf St Vincent   . 2 specimens, AM P 37387 View Materials , behind Lowly Point, Spencer Gulf , [approx. 33°00'S 137°46'E], 18 m, K. Sheard on FL Whyalla, 7 March 1938 GoogleMaps   . 1 specimen, AM P 37388 View Materials , Western Shoal, Spencer Gulf , [approx. 33°09'S 137°31'E], 9 m, K. Sheard on FL Whyalla, 10 March 1938 GoogleMaps   . 1 specimen, NMV J 13982 View Materials , The Hotspot Reef , W of Flinders Island, 33°40.8'S 134°22.5'E, 21 m, erect hard bryozoan on vertical rock face, G. C. B. Poore, 20 April 1985 GoogleMaps   , NMV stn SA-71   . WESTERN AUSTRALIA: 1 specimen, AM P 18313 View Materials , SW of Eucla, Great Australian Bight, 146–219 m, FIS Endeavour   . 3 specimens, AM P 37389 View Materials , 2 km SE of South Point, Two Peoples Bay , 34°58'S 118°12'E, 14 m, among green alga Caulerpa   bases and fine sand, J. K. Lowry, 16 December 1983 GoogleMaps   , stn WA-178. 5 specimens, AM P 37390 View Materials , rocks near Migo Island, Port Harding, Torbay Bay , 35°04'S 117°39'E, 6– 7 m, sponge and algae, R. T. Springthorpe, 15 December 1983 GoogleMaps   , stn WA- 145. 1 specimen, AM P 37391 View Materials , Geographe Bay , [approx. 33°37'S 115°18'E], 27–29 m, J. C. Verco GoogleMaps   .

Type locality. Off South Mole, Arthur Head , Fremantle , Western Australia, eastern Indian Ocean , 32°03'S 115°44'E, 6 m depth GoogleMaps   .

Description. Based on holotype female, 16.5 mm, AM P37378 View Materials . Head much deeper than long, anterior margin with notch extended into a slit; rostrum absent; eye present, elongate, reniform. Antenna 1 peduncular article 1 not ballshaped proximally, distal margin with small medial spine; peduncular article 2 medium length; flagellum without callynophore, calceoli absent. Antenna 2 flagellum about as long as that of antenna 1, without calceoli. Mouthpart bundle subconical. Epistome/upper lip with moderate midanterior angle with small depression above angle (lateral view). Mandible lacinia mobilis a stemmed, distally-cusped blade; accessory setal row with intermediate setae; palp article 2 with 3 posterodistal setae, article 3 without A3- seta. Maxilliped outer plate with distal margin smooth, medial margin without notch.

Gnathopod 1 carpus shorter than propodus; propodus, posterior margin without robust setae. Gnathopod 2 palm slightly   acute, without lateral robust setae, 2–3 medial robust setae. Pereopods 3 and 4 merus and carpus without setal fringe. Pereopod 4 coxa with anterior and posterior margins subparallel, anteroventral corner rounded. Pereopods 5–7 with distal articles elongate, dactyls short and stocky. Pereopod 5 basis expanded posteriorly, rounded. Pereopod 7 basis subrectangular, posteroventral corner subquadrate, posteroventral margin straight.

Epimeron 3 posterior margin serrate, with notch well above rounded posteroventral corner. Uropod 1 peduncle dorsolateral margin with 17 robust setae; outer ramus without large spines between robust setae. Uropod 2 inner ramus slightly   constricted. Uropod 3 rami lanceolate; without plumose setae; outer ramus 1-articulate. Telson moderately cleft   (about 41%).

Male (sexually dimorphic characters). Based on paratype male, 6.0 mm, AM P37380 View Materials (probably not fully mature). Antenna 1 flagellum with callynophore. Antenna 2 flagellum with calceoli. Gnathopod 2 palm with 1 lateral robust seta, without medial robust setae.

Etymology. Named for Diana Jones, carcinologist at the Western Australian Museum, in appreciation of her generous help with collections of Western Australian amphipods.

Remarks. Amaryllis dianae   is most similar to other Amaryllis species   with a serrate posterior margin on represent 0.5 mm.

epimeron 3, such as A. carrascoi   , A. croca   , A. keablei   and A. migo   . Amaryllis dianae   , A. carrascoi   and A. migo   all have a notch above the posteroventral corner of epimeron 3; in A. croca   and A. keablei   the serrations extend to the posteroventral corner. The posteroventral corner of pereopod 7 is rounded in A. migo   , subquadrate in A. dianae   and subquadrate with a distinct notch in A. carrascoi   .

Distribution. Southern and southwestern Australia; 3–219 m depth.


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Conservatoire et Jardin botaniques de la Ville de Genève


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Botanische Staatssammlung München


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Amaryllis dianae

Lowry, J. K. & Stoddart, H. E. 2002

Amaryllis macrophthalma

Chilton, C 1921: 55