Page 3 - Collective Article_2017

Table 1. Species included in “New Mediterranean Biodiversity Records (March 2017)” (systematical order per phyla, species au-
thorities as in single subchapters), with SS - species status (N - native, A - alien; C - cryptogenic; R - range expansion), subchapter,
location/area and country of records. N - numbers as in Figure 1.

Phylum NEMERTEA Schultze, 1851
Baseodiscus delineatus N 1.1 Formentera Spain 1
Notospermus geniculatus N 1.1 Formentera Spain 2
Phylum ANNELLIDA Lamarck, 1809
Syllis pectinans A 3.1 Livorno Italy 3
Phylum MOLLUSCA Linnaeus, 1758
Rhinoclavis kochi A 5.1 Gavdos Island Greece 4
Bursatella leachii A 8.1 Kyrenia Cyprus 5
Anteaeolidiella lurana C 3.1 Livorno Italy 6
Brachidontes pharaonis A 4.1 Cape Strunjan Slovenia 7
Malleus regula A 5.5 Astypalaia Greece 8
Fulvia fragilis A 5.5 Astypalaia Greece 9
Phylum ARTHROPODA Brünnich, 1772
Percnon gibbesi A 3.2 Apulian coast Italy 10
Callinectes sapidus A 3.3 Agrigento Italy 11
Halimede ochtodes A 7.1 Port Said Egypt 12
Pachygrapsus maurus N 3.4 Avola Italy 13
Procambarus clarkii A 3.5 Varano lagoon Italy 14
Paranthura japonica A 3.1 Livorno Italy 15
Phylum CHORDATA Haeckel, 1874
Hexanchus griseus N 5.2 Saronikos Gulf Greece 16
Leucoraja fullonica N 5.3 Argolikos Gulf Greece 17
Hirundichthys rondeletii N 6.1 Akcakoca Turkey 18
Anthias anthias N 7.2 Damietta Egypt 19
Seriola fasciata R 3.6 Egadi Islands Italy 20
Lagocephalus sceleratus A 2.1 NE coast Malta 21
Siganus luridus A 3.7 Ugento Italy 22
Siganus luridus A 3.8 Capo Rizzuto Italy 23
Siganus luridus A 5.4 Lesvos Greece 24
1. SPAIN

1.1 On the presence of Baseodiscus delineatus and Notospermus geniculatus in Formentera Island

F. Á. Fernández-Álvarez, I. Acevedo & P. C. Rodríguez-Flores

Since its description in the area of Naples, Baseo- (Ocaña Martín et al., 2000) and, more recently, at other
discus delineatus (Delle Chiaje, 1825) has been docu- additional localities: Gijón, the Canary Islands; Almería,
mented worldwide, becoming one of the most widespread Alicante, Murcia, the Strait of Gibraltar, Ceuta and La
nemerteans known to date (Gibson, 1995). However, it Coruña (Herrera Bachiller et al., 2015).
is mostly known from tropical and subtropical localities;
along the Atlantic coast of Europe, its northern limit is Notospermus geniculatus (Delle Chiaje, 1828) is one
located south of the British Isles; along the Spanish coast- of the largest nemerteans present in Mediterranean wa-
line, the species has been recorded previously, in the in- ters, reaching 1 m in length and 15 mm in width. This
tertidal zone, at Gijón (Bay of Biscay) (Vernet & Anadón, species was originally described from Naples and is also
1991), at Cerro Gordo, Granada as Baseodiscus curtus widely distributed (Kajihara, 2007).

Medit. Mar. Sci., 18/1, 2017, 179-201 181