The species was first cited in the Mediterranean Sea by Somaschini & Gravina (1993) as Questa caudicirra Hartman, ... [details]
The species was reported from the Mediterranean Sea by Somaschini & Gravina (1993). However, this record was based ... [details]
Eulittoral and sublittoral to 31 m depth. [details]
Low eulittoral to sublittoral, to 200 m depth. [details]
Known from the type locality (Philippines). [details]
West coast of North America (California, British Columbia). Also recorded from the Gulf of Mexico (Florida). The ... [details]
Australia: Great Barrier Reef (Queensland), Houtman Abrolhos Islands (Western Australia), and Lord Howe Island. New ... [details]
Galápagos Islands (Santa Cruz), Pacific Ocean. [details]
Known from the islands of Ponza and Zannone, at the Pontine Islands Archipelago (Tyrrhenian coast of Italy). [details]
Known from the type locality (Belize). [details]
Known from the east coast of North America (Maine, Massachusetts, New Jersey) and Gulf of Mexico. [details]
The geographic coordinates of the type locality provided in the original description (Giere & Erséus, 1998) seem ... [details]
The geographic coordinates of the type locality provided in the original description (Giere & Erséus, 1998) seem ... [details]
The geographic coordinates of the type locality provided in the original description (Giere & Erséus, 1998) seem ... [details]
The geographic coordinates of the type locality provided in the original description (Giere & Erséus, 1998) seem ... [details]
The geographic coordinates of the type locality given in the original description were corrected in order to plot ... [details]
The specific epithet refers to the presence of only two caudal cirri. [details]
The specific epithet refers to the first finding of questid specimens in the Mediterranean Sea. [details]
The specific epithet refers to the low number of dorsal branchiae. [details]
Species named in honour of Dr. Nathan W. Riser (1920-2006), Professor Emeritus at the Notheastern University, ... [details]
Eulittoral to shallow sublittoral, between beach and coral reef, in the upper 3 µm of coralline fine sand, partly ... [details]
Intertidal and subtidal fine to coarse sandy sediments, sometimes organically enriched, to at least 31 m depth. [details]
In coarse sand and in seagrass beds (Posidonia oceanica), in the fine sand rich in debris trapped among rhizomes, ... [details]
Shallow sublittotal between beach and coral reef, in coralline fine sand, rich in organic debris. [details]
Low eulittoral to sublittoral, little sorted, ofetn coarse sand, frequently with flocculent debris, to 200 m depth. [details]
Island of Mactan, Philippines (marine). [details]
Isola di Ponza, Cala Feola, Tyrrhenian Sea, west coast of Italy (marine). [details]
Carrie Bow Bay, Belize (marine). [details]
Holotype ZMH P-23414 is one male specimen. Paratypes ZMH P-23437 are one male and one female, and paratype ZMH ... [details]
Part of the type material (holotype ZMH P-23414 and paratype ZMH P-23437) is whole-mounted in Bergamot Oil after ... [details]
Type material (holotype ZMH P-16427 and paratype ZMH P-16428) stated to be in poor condition. Both types are ... [details]
Holotype ZMH P-23395 and paratypes ZMH P-23410 and P-23411 whole-mounted in Canada balsam after Paracarmine ... [details]
Holotype ZMH P-23395 is one male. Paratypes ZMH P-23410 and ZMH P-23411 are two females. Paratype ZMH P-23433 is ... [details]
Holotype ZMH P-23412 is one male specimen. Paratypes ZMH P-23413 are two males, and paratypes ZMH P-23436 are two ... [details]
Type material (holotype ZMH P-23412 and paratypes ZMH P-23413 and P-23436) is whole-mounted in Canada balsam after ... [details]
Holotype ZMH P-23412 is one male specimen. Paratypes ZMH P-23420, P-23422, P-23427 to P-23430, P-23438, P-23439 are ... [details]
Type material (holotype ZMH P-23421 and paratypes ZMH P-23420, P-23422, P-23427 to P-23430, P-23438, P-23439) is ... [details]