Stylochus pilidium ( Götte, 1881 )

Cuadrado, Daniel, Rodríguez, Jorge, Moro, Leopoldo, Grande, Cristina & Noreña, Carolina, 2021, Polycladida (Platyhelminthes, Rhabditophora) from Cape Verde and related regions of Macaronesia, European Journal of Taxonomy 736, pp. 1-43 : 29-30

Stylochus pilidium ( Götte, 1881)

Figs 1 C–D, 6E, I, 7F–G

Stylochopsis pilidium Götte, 1881: 189 .

Planaria neapolitana – Götte 1878: 75–76. Stylochus pilidium – Götte 1882: 1–56, pls I–II. — Lang 1884: 320–321, 325, 329, 341–343, 351–353, 357, 401, pl. 36. fig. 19, pl. 37, figs 1, 16–17, 22.

Material examined

CAPE VERDE • 3 specs; São Vicente Island , Mindelo ; 16°53′46.54″ N, 24°59′32.93″ W ( Fig. 1C V1 ); May 2017; Leopoldo More leg.; RCCN .

MOROCCO • 3 specs; Sidi Ifni ; 29°22′58.00″ N, 10°10′37.88″ W ( Fig. 1D M 2 ); 2 Sep. 2016; Leopoldo Moro leg.; RCCN .

Distribution

Gulf of Naples, Mediterranean Sea (type locality) ( Götte 1881; Lang 1884; Lo Bianco 1888); Gulf of Venice ( Bock 1925); Black Sea ( Rzhepishevskii 1979); Vietnam ( Dawydoff 1952); Somalia ( Laidlaw 1903); Zanzibar ( Meixner 1907).

New records

S„o Vicente Island, Cape Verde ( Fig. 6E ). Sidi Ifni, Morocco ( Fig. 6I ).

Figures

Fig. 1. Location of sampling points, distribution of the Macaronesian archipelagos and limitation of regions: Lauri-Macaronesia or Lusitanian Macaronesia (white); Central Macaronesia or Eumacaronesia (bordeaux) and Great Macaronesia (green). Abbreviations:A1 = San Miguel Island, Azores; C1 = Pasito Blanco, Gran Canaria, Canary Islands; C2 = Tenerife, Canary Islands; C3 = Garachico, Tenerife, Canary Islands; C4 = Amarilla Golf, Tenerife, Canary Islands; CV1 = Astillero Mindelo, S„o Vicente Island, Cape Verde; CV2 = Bahía das Gatas, S„o Vicente Island, Cape Verde; CV3 = Calheta Funda, Sal Island, Cape Verde; M1 = Ifni, South Morocco; M2 = Agadir, South Morocco.

Fig. 2. Marcusia alba sp. nov. (MNCN 4.01/2620 to 2683).A. Whole live animal, dorsal view.B. Anterior region with cerebral eyes cluster and pseudotentacles (white arrows). C. Histological section of the male copulatory organ stained with AZAN. D. Histological section of the female copulatory organ stained with AZAN. E. Sagittal reconstruction of the reproduction system. Abbreviations: see Material and methods.

Fig. 6. Eurylepta cornuta var. melobesiarum (Schmidtlein, 1880) (RCCN). A. Whole live animal, dorsal view. B. Anterior region with eyes and tentacles (white arrows). C. Whole live animal, ventral view. D. Histological sagittal section of female copulatory organ. E. Histological sagittal section of male copulatory organ. F. Sagittal reconstruction of reproductive system. Abbreviations: see Material and methods.