Jerbarnia stocki Thomas & Barnard, 1990

Krapp-Schickel, Traudl, 2009, Maeridae, the Ceradocus group *, Zootaxa 2260 (1), pp. 598-642 : 617-620

publication ID

https://doi.org/ 10.11646/zootaxa.2260.1.32

persistent identifier

https://treatment.plazi.org/id/03CC494E-FFE1-FFB1-FF61-23DE67E3FF6A

treatment provided by

Felipe

scientific name

Jerbarnia stocki Thomas & Barnard, 1990
status

 

Jerbarnia stocki Thomas & Barnard, 1990 View in CoL

( Figs 14 View FIGURE 14 , 15 View FIGURE 15 )

Jerbarnia stocki Thomas & Barnard 1990: 169 View in CoL , figs 1–3. — Lowry & Stoddart, 2003: 190.

Material examined. 1 unknown sex, AM P77830 ( JDT / LIZ 15); 3 unknown sex, AM P77733 ( JDT / LIZ 16); 1 unknown sex, AM P77829 ( JDT / LIZ 17).

Type locality. Off Lizard Head , Lizard Island, Queensland, Australia (14°40’S 145°28’E) GoogleMaps .

Description. Based on that of Thomas & Barnard (1990), paratype, female, 4.3 mm.

Head. Head anterior margin with wide rounded excavation. Eye consisting of a patchy assemblage of ommatidia. Antenna 2 shorter than antenna 1. Mandible stout with strong molar. Maxilla 1 inner plate slender, with few apical setae only, palp with two articles. Maxilla 2 inner plate half width of outer plate. Maxilliped palp with 3 articles, outer plate extending beyond palp article 2.

Pereon. Gnathopod 1 and 2 similar; Gnathopod 1 carpus longer than propodus. Coxa 3 widened anterodistally. Pereopods 4–7, coxa wider than long. Pereopods 5–7 basis slender, not lobate.

Pleon. Pleonites 1–3 dorsally smooth. Epimera posteroventral angles rounded. Urosomites 1–2 with bidentate posterodorsal margins. Uropod 1 rami longer than peduncle, slender, equal in length, with long robust distal setae. Uropod 2 much shorter than uropod 1. Uropod 3 elongate, peduncle almost reaching apex of rami of uropod 1, with robust setae; rami subequal, very long, ovatolanceolate. Telson quadrate, deeply incised.

Male (sexually dimorphic characters). Based on description of Thomas & J.L. Barnard (1990), holotype, male, 3.7 mm. Gnathopod 2 gigantic, with coxa, basis and ischium strongly elongate; propodus of different shape from that of females, elongate and widened with oblique palm and defining spine.

Variation. Small specimens have second article on outer ramus of uropod 3.

Habitat. Rubble, 2 m.

Remarks. Differing from all species of the Ceradocus- group by the strikingly long coxa 2.

Distribution. Australia. Queensland: Lizard Island ( Thomas & Barnard 1990, current study).

Linguimaera Pirlot, 1936

AM

Australian Museum

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Amphipoda

Family

Maeridae

Genus

Jerbarnia

Loc

Jerbarnia stocki Thomas & Barnard, 1990

Krapp-Schickel, Traudl 2009
2009
Loc

Jerbarnia stocki Thomas & Barnard 1990: 169

Lowry, J. K. & Stoddart, H. E. 2003: 190
Thomas, J. D. & Barnard, J. L. 1990: 169
1990
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