Tanarctus heterodactylus Renaud-Mornant 1980

135. Tanarctus heterodactylus Renaud-Mornant, 1980

Tanarctus heterodactylus (Renaud-Mornant 1980)

Terra typica: Atlantic Ocean (USA, North America)

Atlantic Ocean:

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

• 38°48′N, 75°04′W; 4 m bsl: [FAO21] USA, Delaware State, Sussex County, mouth of Delaware Bay, The Shears, sublittoral sandy bar. Hummon (1994)

• 34°07.3′N, 75°57.7′W / 34°07′N, 75°58′W; 400 m bsl: [FAO31] Type locality: USA, North Carolina State, bathyal or abyssal depth, surface of sand, fine sand with 17% clay. Renaud-Mornant (1980)

• 4°20′S to 4°50′S, 36°00′W to 37°15′W [04°35′S, 36°38′W]; 20–100 m bsl: [FAO41] Brazil, continental shelf off Ceará State and Rio Grande Do Norte State, fine to coarse quartz sand with detritus, and terrigenous mud. da Rocha et al. (2013)

• 8°25′10′′S to 8°25′20′′S, 34°55′00′′W [08°25′S, 34°58′W]; 0 m bsl: [FAO41] Brazil, Pernambuco State, Cupe beach, biogenic gravel or sandy-muddy sediment. da Rocha et al. (2013)

• 23°03′S, 43°17.3′W / 23°03′S, 43°17′W; 22 m bsl: [FAO41] Brazil, Rio de Janeiro State, continental shelf off Rio de Janeiro, coarse sand. Renaud-Mornant (1980)

Indian Ocean:

• 12°53′,05S, 45°16′,03E [12°53′S, 45°18′E]; 275–400 m bsl: [FAO51] Comoros Archipelago, Mozambique Channel, muddy sand. Renaud-Mornant (1984a)

Record numbers (Sea/Ocean classification): Atlantic Ocean: 6, Indian Ocean: 1; total: 7.

Record numbers (FAO classification): FAO21: 1, FAO27: 1, FAO31: 1, FAO41: 3, FAO51: 1; total: 7.

Remarks: In general this is a deep sea species mainly reported from below 200 m bsl. However, there are also reports at much shallower depths (0 to <100 m bsl) from off the coasts of Brazil and Delaware (USA).