° References of the most recent publications

Diagnosis

Last update: May 15, 2014   Extended specimens up to about 20 mm, diameter 0.3 to 0,7 mm. Colour reddish. Lophophore horseshoe-shaped, without significant coiling. Up to 170 tentacles, length 2-3.5 mm . Nephridia (205-324 μm long) with a single funnel, with a short descending branch and a long ascending one; nephridiopore on anal papilla opening below anus for the left one and at anus level for the right one. A single giant nerve fibre, on the left side at the level of the attachment of the left lateral mesentery to the body wall, 16-36 μm in diameter. Longitudinal muscle bundles of feathery type; the mean formula and general formula are respectively: 20 | 21 11 | 12 = 64  and  18-23 | 16-24  10-13 | 11-13 [56-72] n= 7 individuals) Sexual reproduction: no data. Phoronis emigii is embedded vertically in a sandy sediment, at 33 m depth, densities aboutto 90 individuals/100 cm-2. Etymology: the specific name, a masculine noun in the genitive case, is in honor of the French researcher Dr. Christian C. Emig for his remarkable contributions to lophophorate systematics. Japanese name: Amakusa-houkimushi The distribution of Phoronis emigii is represented below on the map. Type-locality: Tomiaka Bay (Amakusa, Japon) - 32°32'27"N, 130°03'17"E, 33 m depth. © Christian C. Emig Last update: May 14, 2014

Most recent published diagnoses  Hirose M., Fukiage R., Katoh T. & Kajihara H., 2014. Description and molecular phylogeny of a new species of Phoronis (Phoronida) from Japan, with a redescription of topotypes of P. ijimai Oka, 1897. ZooKeys, 398, 1–31. References on Phoronis emigii