Metacalanus adriaticus, Kršinić & Boxshall, 2021

Kršinić, Frano & Boxshall, Geoff A., 2021, New arietellid copepods (Calanoida, Arietellidae) from anchialine caves in the Eastern Adriatic Sea, Zootaxa 4951 (1), pp. 107-129 : 108-111

Metacalanus adriaticus sp. nov.

( Figs 1-6 )

Material examined: Holotype: An adult female 880 µm in length from Supurina Cave , on Vis Island in the Central Adriatic Sea in Croatia (43 o 03’0.8”E; 16 o 03’0.7”N), on 13 August 2007. The Holotype is deposited at the Croatian Natural History Museum, Zagreb, No. HPM-BSZ,1805; the paratype series comprises nine adult females and four males from different locations: 3♀, Supurina Cave, collected on 14 December 2017; 1♀, Supurina Cave collected in 2019; 1♀, Rogoznica, 11 January 2009; 2♀, ŽivaVoda, Hvar, 02 April 2005; 1♂, Supurina Cave , March 2019; and 1♂, Jama na punta Korente, Rovinj, 06 February 2005. These paratypes are all deposited at the Croatian Natural History Museum, Zagreb, No. HPM-BSZ,1806. Additional paratypes: 2♀ and 2♂ ( Supurina Cave , 03 October 2005) were dissected on slides and are deposited in the first author’s personal collection .

Figures

FIGURE 1. Metacalanus adriaticus sp. nov. adult female, paratype; (A) habitus, dorsal view showing positions of integumental pores and sensillae; (B) habitus, lateral; (C) rostrum; (D) urosome and caudal rami, dorsal view; (E) genital double-somite, ventral showing reproductive system, cd: copulatory duct, cp: copulatory pore; g: gonopore; o: oviduct; (F) genital double-somite, lateral.

FIGURE 2. Metacalanus adriaticus sp. nov. adult female, paratype; (A,B), left antennule; (C) right antennule.

FIGURE 3. Metacalanus adriaticus sp. nov. adult female, paratype; (A) antenna; (B) mandible; (C) maxillule; (D) maxilla; (E) maxilliped.

FIGURE 4. Metacalanus adriaticus sp. nov. adult female, paratype; (A) leg 1; (B) leg 2; (C) leg 3; (D) leg 4; (E) leg 5.

FIGURE 5. Metacalanus adriaticus sp. nov. adult male, paratype; (A) habitus, dorsal view showing positions of integumental pores and sensillae; (B) habitus, lateral view; (C); urosome and caudal rami, dorsal view; (D) leg 5, anterior view.

FIGURE 6. Metacalanus adriaticus sp. nov. adult male, paratype; (A) left antennule; (B) right antennule.