Mediterranean Sea; Adriatic Sea; Aegean Sea; Atlantic Ocean off Morocco; northern Arabian Sea; Gulf of Mexico. [details]
Southwest Pacific Ocean: New Zealand (North and South Island). [details]
Pacific and Sea of Japan coasts of Honshu (Japan); Japanese Inland Sea; mainland coast of Sea of Japan. [details]
Northeastern Atlantic: Norwegian coast; North Sea; Skagerrak; Kattegat; British Isles; English Channel; Mediterranean ... [details]
Southern North Sea (Helgoland); Skagerrak. [details]
Antarctic Ocean, in the Indian and Pacific sectors. [details]
Puget Sound, Washington, and adjoining waters (Pacific coast of USA). [details]
NE Atlantic: Skagerrak; northern North Sea. [details]
The specific epithet trisectus, is composed by the Latin prefix tri-, meaning 'three', and the Latin participle ... [details]
The specific epithet pege is derived from the Greek word πηγή, meaning 'a spring (of water)', ''to indicate ... [details]
Type material found on stones, among Melobesia, at about 2 fathoms depth (about 4 m; see Grube, 1861: 77; Banse, ... [details]
Rocky habitats. Found on surface of kelp on rocky shores. [details]
Free-living under stones, and in twisted masses in intertidal beaches. [details]
In calcareous algae, laminarian holdfasts, muddy grounds and coarse sand, stones, or gravel. [details]
Amphioxus ground (coarse sand) and shell sand, between 19-25 m depth. [details]
Coarse sediments of sand and broken shells, at shelf depths. [details]
In mud and sand-mixed clay, between 235-478 m. [details]
Amphioxus ground (coarse sand), between 19-21 m depth. [details]
Status changed, being raised to specific rank by Banse (1969: 2606-2607). [details]
Pacific Ocean, New Zealand, type locality undefined, being one of several localities: Portobello (South Island, ... [details]
Helgoland, North Sea, Atlantic Ocean. Type locality originally described as ''Amphioxus-Sand von Helgoland'' ... [details]
Washington, Pacific Ocean. From one of two dredge hauls from coarse sediment, taken near San Juan Island, ... [details]
Helgoland, North Sea, Atlantic Ocean. Type locality originally described as ''Amphioxus-Sand von Helgoland'' ... [details]
According to Banse (1969: 2600) "The holotype, which had been deposited in the ZMB, was destroyed during the Second ... [details]
Holotype (NHUK 1907.5.1.41) deposited at The Natural History Museum, London (UK). [details]
''The types no longer exist (Prof. H. Friedrich, Überseemuseum, Bremen, personal communication)'' (Banse, 1969: 2615). [details]
Lectotype (ZMB 5894a) and paralectotypes (ZMB 5894b) deposited at the Zoologische Museum, Berlin (Germany). ... [details]
Banse (1969: 2613) states: "No material of Ledon is in the catalogued collection of the USNM where Webster's types ... [details]
Banse (1969: 2610) states: "Neither the types nor other Macrochaeta material of Sars are in the Zoological Museum ... [details]