Quadrimaera serrata
Creators: name: Krapp-Schickel, Traudl
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Maeridae
Quadrimaera
Quadrimaera serrata

description: <i>Quadrimaera serrata</i> (Schellenberg, 1938) (Figs 23, 24) <i>Maera inaequipes serrata</i> Schellenberg, 1938: 41, fig. 18. —J.L. Barnard, 1965: 510. — Ledoyer, 1967: 127, fig. 9. — Sivaprakasam, 1966: 100. <i>Maera serrata</i>. —J.L. Barnard, 1970: 155, figs 96–97. — Ledoyer, 1972: 231, fig. 46.— Ledoyer, 1983: 544, fig. 207. — Berents, 1983: 131, fig. 24. — Myers, 1985: 117, fig. 92. — Appadoo, Myers &amp; Fagoonee, 2002: 652, figs 6–8. <i>Quadrimaera serrata</i>. — Lowry &amp; Stoddart, 2003: 187. <b>Material examined.</b> 1 male (2 slides), AM P77730 (JDT / LIZ 3); 2 adults, AM P77728 (JDT / OPH 2); 1 adult (slide), AM P77729 (JDT / OPH 2); 3 males, 1 female, AM P77732 (QLD 1622); 1 female, AM P70859 (QLD 1689); 1 male, AM P71204 (QLD 1736); 1 juvenile, 1 female (slide), AM P77731 (SEL /LZI-4-1). <b>Type locality.</b> Kiribati (1°40'S 179°22'W). <b>Description.</b> Based on male, 5.0 mm, AM P77731. <b>Head.</b> <i>Head</i> lateral cephalic lobe rounded, anteroventral slit absent, anteroventral corner acute. <i>Eye</i> rounded. <i>Antenna 1</i> peduncular article 2 longer than article 1; accessory flagellum with 6 articles. <i>Antenna 2</i> peduncular article 2 gland cone reaching or surpassing end of article 3, article 4 longer article 5. <i>Upper lip</i> thickened. <i>Mandible</i> palp article 1 distally oblique, distal prolongation absent, article 3 shorter than article 2. <b>Pereon.</b> <i>Gnathopod 1</i> coxa rhomboidal, anterodistal corner acute, but not lengthened; carpus with notch on anterodistal margin; propodus rounded. <i>Gnathopod 2</i>, propodus rectangular with somewhat rounded anterior margin, palm defined by short acute spine, with 1 shallow semicircular medial excavation opposite to a triangular hump on the dactylus; dactylus with no or one seta on anterior margin, posterior margin with 1–2 triangular humps near palmar excavation. <i>Pereopods 3–7</i> dactylus bifid. <i>Pereopods 5–7</i> basis with serrated posterior margin. <b>Pleon.</b> <i>Epimera</i> 1–2 posterodistal corner with a small spine, <i>Epimeron 3</i> posterior margin regularly serrated. <i>Uropod 3</i> rami subequal, distally truncate, with about 4 robust setae that are about half as long as rami. <i>Telson</i> deeply cleft, distally and submarginally incised, with one long and one short robust seta in deeper distal incision and one long seta in marginal incision. <b>Female</b> (sexually dimorphic characters). Based on female, 3.5 mm, AM P77731. <i>Gnathopod 2</i> dactylus with triangular hump(s) on inner side of dactylus and with smaller medial palmar excavation than that of male. <b>Habitat.</b> Coral rubble, sand, coralline algae, creek lined with mangroves. 1–9 m depth. <b>Remarks.</b> The triangular hump on the inner side of the gnathopod 2 dactylus, which is drawn by Schellenberg (1938) for the male of <i>Quadrimaera pacifica</i>, is only well developed in this species. <b>Distribution.</b> <i>Australia</i>. Queensland. Lizard Island (Berents 1983, current study). <i>Red Sea</i> (Ruffo 1969). <i>Madagascar</i> (Ledoyer 1967, 1983). <i>South Africa</i> (Griffiths 1973). <i>India</i> (Sivaprakasam 1966). <i>Mauritius</i> (Appadoo <i>et al</i>. 2002). <i>Marshall Islands</i> and <i>Kiribati</i> (Schellenberg 1938, J.L. Barnard 1965). <i>Fiji</i> (Schellenberg 1938, Myers 1985). <i>Hawaii</i> (Schellenberg 1938, J.L. Barnard 1970).
description: Published as part of <i>Krapp-Schickel, Traudl, 2009, Maeridae, the Ceradocus group *, pp. 598-642 in Zootaxa 2260 (1)</i> on page 633, DOI: 10.11646/zootaxa.2260.1.32, http://zenodo.org/record/5309853
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