Pandalidae Haworth 1825

South Pacific Ocean, Duration 16 seconds

Nordsømuseet Hirtshals

Pandalus ocellus, station 3858 (1). Pandalus exiguus, female, type (2); Pandalus brevis, male, type (3)

Norwegian Deep-Water Prawn (Pandalus borealis), Female. Second leg of the right side is indicated by dotted lines

Deep-Water Prawn, Pandalus Montagui, Leach.

Figure 1.Anachlorocurtis occidentalis sp. n., total aspect. A holotype, ovigerous female (RMNH.CRUS.D.56175) B allotype, male (RMNH.CRUS.D.56176). Scale bar equals 1 mm.

South Pacific Ocean, Duration 14 seconds

Nordsømuseet Hirtshals

Heterocarpus Grimaldi Bouvier, d'apres nature (Hirondelle).

Heterocarpus alphonsi, a brilliantly-luminous deep-sea shrimp found in all parts of the seas of India at depths of 500-740 fathoms. The phosphorent fluid is emitted from the base of the second pair of antennae.

Figure 2.Anachlorocurtis occidentalis sp. n., holotype, ovigerous female (RMNH.CRUS.D.56175). A anterior carapace, antennae and eyes, dorsal B telson and uropod, dorsal C antenna, ventral D right first pereiopod E same, terminal segment F right second pereiopod G same, chela, ventrolateral aspect H third pereiopod, lateral J same, dactylus and distal propodus K fourth pereiopod L fifth pereiopod.

Figure 3.Anachlorocurtis occidentalis sp. n., mouthparts (ovigerous female, PoCL 2.6 mm, UO Aq08-34B). A mandible, anterior aspect B same, molar and incisor processes, anteroventral C same, apex of molar process, anteromesial D maxillula E maxilla F first maxilliped G second maxilliped H third maxilliped.

Figure 4.Anachlorocurtis occidentalis sp. n., allotype, male (RMNH.CRUS.D.56176). A first pleopod B same, endopod C second pleopod D same, mesial margin of endopod with appendices interna and masculina.

Figure 5.Anachlorocurtis occidentalis sp. n., (A–F Aqaba, 2009) and Anachlorocurtis commensalis Hayashi, 1975 (G–P Taiwan, 2009), outline of carapace, lateral aspect (A–E, G–L), third pereiopod (M–N), and eye (F, O–P). A holotype, ovigerous female PoCL 3.3 mm (RMNH.CRUS.D.56175) B ovigerous female PoCL 2.5 mm (RMNH.CRUS.D.56179) C subadult female PoCL 1.9 mm (UO Aq09-65) D allotype, male PoCL 1.9 mm (RMNH.CRUS.D.56176) E juvenile specimen PoCL 1.6 mm (RMNH.CRUS.D.56179) F ovigerous female PoCL 2.5 mm (RMNH.CRUS.D.56179) G post-ovigerous female PoCL 2.6 mm (OUMNH.ZC.2010-02-010 )H ovigerous female PoCL 2.6 mm J subadult female PoCL 1.9 mm K male PoCL 2.2 mm L juvenile specimen PoCL 1.6 mm (OUMNH.ZC.2010.02.061) M–O post-ovigerous female PoCL 2.6 mm (OUMNH.ZC.2010-02-010) P male PoCL 2.2 mm. Scale bars equal 1 mm.

Figure 6.Colour patterns. Anachlorocurtis occidentalis sp. n. A ovigerous female holotype (RMNH.CRUS.D.56175) on antipatharian host B detail of the eye with produced apical tubercle C colour patterns of the tail fan. Anachlorocurtis commensalis Hayashi, 1975 D ovigerous female (UO Tw12-79).

Figure 7.Anachlorocurtis occidentalis sp. n., ovigerous female paratype, PoCL 3.1 mm (UO Aq09-30A). A second pereiopod chela B same, tips of fingers C mandible, molar process, antero-mesial aspect (from side of incisor process) D eye. Anachlorocurtis commensalis Hayashi, 1975, ovigerous female PoCL 2.5 mm (UO Tw12-79) E second pereiopod chela F same, tips of fingers G eye.

Figure 8.Phylogenetic tree obtained by maximum likelihood analysis (GTR+G+I substitution model) of partial sequence of COI (658 bp).