Tholoarctus natans subsp. natans Kristensen & Renaud-Mornant 1983

121. Tholoarctus natans natans Kristensen & Renaud-Mornant, 1983

Tholoarctus natans n. g., n. sp. (Kristensen & Renaud-Mornant 1983)

Tholoarctus natans Kristensen & Renaud-Mornant, 1983 (D’Addabbo Gallo et al. 1989) Tholoarctus natans Kristensen and Renaud-Mornant, 1983 (Kristensen & Neuhaus 1999, Boesgaard & Kristensen 2001, Hansen et al. 2001, Grimaldi de Zio et al. 2003, Hansen & Kristensen 2006) Terra typica: Celtic Sea (France, Europe)

Adriatic Sea:

• 42°09′00′′N, 15°30′00′′E [42°08′N, 15°31′E]; 11–38 m bsl: [FAO37] Italy, Foggia Province, Tremiti Islands, Caprara [Capraia] Island, Cala dei Turchi, coarse organogenic detritus. Grimaldi de Zio & D’Addabbo Gallo (2001), Grimaldi de Zio et al. (2003)

• 42°06′N, 15°29′E; 11–20 m bsl: [FAO37] Italy, Foggia Province, Tremiti Islands, San Domino Island, Punta del Diavolo, coarse organogenic detritus. Grimaldi de Zio & D’Addabbo Gallo (2001), Grimaldi de Zio et al. (2003)

• 40 ° 34.38′N, 18 ° 0 9.49′E ; 10 m bsl: [FAO37] Italy, Brindisi Province, Mattarelle [Torre Mattarelle], ENEL power station, coarse sand. Accogli et al. (2011)

Arabian Sea:

• 28°02′N, 48°40′E; 0.46–1.07 m above ISLW (Indian Spring Low Water) / 0 m bsl: [FAO51] Saudi Arabia, Eastern Region, Persian Gulf, N of Safaniya, intertidal. Hansen & Kristensen (2006)

Atlantic Ocean:

• 61°17.88′N, 08°32.22′W / 61°18′N, 08°32′W; 249 m bsl: [FAO27] Faroe Islands, edge of Faroe Bank, BIOFAR station 785, carbonate sand and basalt pebbles. Kristensen & Neuhaus (1999)

• 61°17′42′′N, 08°32′18′′W; 104–260 m bsl: [FAO27] Faroe Islands, Faroe Bank, shell gravel, coarse shell gravel, carbonate fine sand, carbonate sand, or fine shell sand. Hansen et al. (2001)

• 48°01′N, 05°44′W; 130 m bsl: [FAO27] France, Brittany Region, continental shelf, near Brest, shelly sand. Kristensen & Renaud-Mornant (1983)

• 47°38.3′N, 08°06.3′W / 47°38′N, 08°06′W; 1369 m bsl: [FAO27] France, Bay of Biscay. Kristensen & Renaud-Mornant (1983)

• 47°31′N, 08°41′W; 2087 m bsl: [FAO27] France, Bay of Biscay. Kristensen & Renaud-Mornant (1983)

• 37°13′N, 28°44′W [37°43′N, 28°46′W]; 340 m bsl: [FAO27] Portugal, Azores. Kristensen & Renaud- Mornant (1983)

• 34°07.3′N, 75°57.7′W / 34°07′N, 75°58′W; 400 m bsl: [FAO31] USA, North Carolina State, surface, fine sand with 17% clay. Kristensen & Renaud-Mornant (1983)

Balearic Sea:

• 40°20′N, 08°22′E; 20 m bsl: [FAO37] Italy, Sardinia, Sassari or Oristano Province, Gulf of Alghero, medium sand. D’Addabbo Gallo et al. (2007)

Celtic Sea:

• 48°43′N, 03°54′10′′W; 25–30 m bsl: [FAO27] Type Locality: France, Brittany Region, near Roscoff, upper surface of shelly sand of the scaphopod Dentalium. Kristensen & Renaud-Mornant (1983)

• 48°42.6′N, 03°53.8′W / 48°43′N, 03°54′W; 20 m bsl: [FAO27] France, Brittany Region, Roscoff, Pierre Noire, fine sand. Kristensen & Renaud-Mornant (1983)