Pratinas ludmilla Stoddart &amp; Lowry 2010, sp. nov.
Creators: name: Stoddart, H. E.
name: Lowry, J. K.
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Aristiidae
Pratinas
Pratinas ludmilla

description: <i>Pratinas ludmilla</i> sp. nov. (Figs 19–21) <b>Type material</b>. HOLOTYPE, female, approx. 2.5 mm, AM P.81149, East Point, Darwin, Northern Territory, Australia, approx. 12°27'S 130°50'E, possibly on encrusting ascidian <i>Didemnum psammatode</i>, stn. EP/9 [AM stn NT-108]. PARATYPES: 1?male, 2.0 mm, AM P.81150 and 1 female, 2.6 mm, AM P.81151 and 100 specimens, AM P.81152 and 20 specimens, NTMAG, same data as holotype; 20 specimens, AM P.81153, west end of East Point, north end of Fannie Bay, Darwin, Northern Territory, Australia, 11°24.5'S 130°48.5'E, gorgonaceans <i>Echinogorgia</i> sp. 1 (red) and <i>Echinogorgia</i> sp. 2 (orange), 8–10 m, 26 October 1982, J.K. Lowry, stn NT-95; 3 specimens, AM P.81154, west end of East Point, north end of Fannie Bay, Darwin, Northern Territory, Australia, 11°24.5'S 130°48.5'E, 8–10 m, gorgonacean <i>Rumphella aggregata</i>, 26 October 1982, J.K. Lowry, stn NT-96. <b>Type locality</b>. East Point, Darwin, Northern Territory, Australia, approx. 12°27'S 130°50'E. <b>Etymology</b>. The species is named for Ludmilla Creek in the East Point/Fannie Bay area. <b>Description</b>. <i>Head</i> lateral cephalic lobe broadly triangular, apically subacute; eyes well developed, oval. <i>Antenna 1</i> accessory flagellum 2-articulate. <i>Epistome and upper lip</i> with small central notch. <i>Mandible</i> lacinia mobilis absent; molar absent. <i>Maxilla 1</i> inner plate with 3 apical pappose setae; outer plate with 7 setal-teeth in a 5/2 arrangement, most with moderate number of cusps. <i>Maxilliped</i> palp 4-articulate, palp article 1 with lateral and medial margins about same length. <i>Gnathopod 1</i> subchelate; carpus shorter than propodus, without posterodistal lobe; propodus posterior margin dentate, with 1 robust seta along posterior margin. <i>Gnathopod 2</i> carpus longer than propodus. <i>Pereopods 5–7</i> propodus with anterodistal spur. <i>Pereopod 5</i> coxa posterior lobe deeper than anterior lobe, short, distally rounded; basis moderately expanded posteriorly, with posteroventral lobe. <i>Pereopod 6</i> coxa posterior lobe deeper than anterior lobe, short, distally rounded; basis greatly expanded posteriorly, with posteroventral lobe. <i>Pereopod 7</i> basis moderately expanded posteriorly, posterior margin evenly curved, with posteroventral lobe, posteroventral corner rounded. <b> <i>Epimeron 3</i> posterior margin smooth, posteroventral corner subacute</b> . <i>Urosomite 1</i> smooth dorsally, without a dorsodistal boss. <i>Urosomite 3</i> without dorsolateral flanges. <i>Uropod 3</i> rami without robust setae; inner ramus longer than article 1 of outer ramus. <i>Telson</i> longer than broad, entire, emarginate, without middorsal robust setae, lateral margins straight, uniformly tapering distally, without robust setae on lateral margins, with 2 small apical robust setae along distal margin. <b>Distribution</b>. Darwin, Northern Territory, Australia in 8–10 m depth.
description: Published as part of <i>Stoddart, H. E. &amp; Lowry, J. K., 2010, The family Aristiidae (Crustacea: Amphipoda: Lysianassoidea) in Australian waters, pp. 31-53 in Zootaxa 2549 (1)</i> on pages 50-51, DOI: 10.11646/zootaxa.2634.1.5