Photis davei Myers 2009, sp. nov.

Photis davei sp. nov. (Figs 15, 16) Type material. Holotype, male, 3.2 mm, AM P75474, Casuarina Beach, Lizard Island (14 o 40’77S 145 o 26’85”E), fine slightly muddy sand, kick-net, S.E. LeCroy, 0.5 m, 5 July 2001 (SEL /LZI-5-1). Paratypes: 2 females, AM P75475, same data as holotype. Type locality....

Full description

Bibliographic Details
Main Author: Myers, Alan A.
Format: Other/Unknown Material
Language:unknown
Published: 2009
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Photidae
Photis
Photis davei
Queensland
Lizard Island
Myers
Seta
McGrath
North Atlantic
Online Access:https://zenodo.org/record/5314864
https://doi.org/10.5281/zenodo.5314864
Description
Summary:Photis davei sp. nov. (Figs 15, 16) Type material. Holotype, male, 3.2 mm, AM P75474, Casuarina Beach, Lizard Island (14 o 40’77S 145 o 26’85”E), fine slightly muddy sand, kick-net, S.E. LeCroy, 0.5 m, 5 July 2001 (SEL /LZI-5-1). Paratypes: 2 females, AM P75475, same data as holotype. Type locality. Casuarina Beach, Lizard island, Queensland, Australia (14 o 40’77S 145 o 26’85”E). Etymology. Named for Dr David McGrath in appreciation of more than three decades of cooperative work on North Atlantic amphipods. Description. Based on holotype, male, 3.2 mm, AM P75474. Head. Head anteroventral margin strongly recessed, extending behind posterior margin of eye. Eye round, small, less than one quarter head length, situated entirely within the lateral lobe. Mandible palp article 3 distinctly shorter than article 2, spatulate, widest subdistally. Antenna 1 peduncular articles 1 and 3 subequal in length; flagellum with 8 articles, bearing aesthetascs on most articles; accessory flagellum absent. Antenna 2 short about half body length; flagellum distinctly longer than peduncular article 5 with 7 articles. Pereon. Coxae 1–5 longer than broad, sparsely fringed with short setae; coxa 1 unproduced. Gnathopod 1 carpus subequal to propodus; propodus twice as long as wide, posterodistal margin evenly rounded. Gnathopod 2 basis anterior margin lacking setae; carpus without distinct free posterior expansion; propodus twice as long as carpus, posterodistal margin without robust seta, palm with multiple excavations; dactylus distinctly longer than half length of propodus. Pereopod 3 merus with several very long setae on anterior margin; propodus elongate, more than 5 x as long as broad. Pereopod 5 basis slightly expanded, distinctly longer than broad, with few setae on anterior margin. Pereopods 5-7 dactyls each with accessory spine on anterior margin. Pleon. Epimeron 3 posterodistal margin rounded. Uropod 1 peduncle, without distoventral spine; rami distinctly unequal in length. Uropod 2 peduncle without distoventral spine; rami ...

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