taxonID	type	description	language	source
C92C87C6CD46285DFF47FEFC28A1FB99.taxon	materials_examined	Material examined. Holotype: ZMMU No. Uk- 5 (an adult), from Kandalaksha Bay, White Sea (66 ° 34 ' N, 33 ° 08 ' E), 24 m, 26 June 2013, on the bryozoan Cribrilina sp. living as an epibiont on a shell of Mytilus edulis Linnaeus, 1758. Paratypes: ZMMU No. Uk- 6 (7 paratypes, all adults), from the same locality as holotype. Additional material examined: the same locality, 5 m, 27 August 1983, on the bryozoan Electra sp., 20 adult specimens.	en	Borisanova, Anastasiya O., Krylova, Elena M. (2014): A new species of Loxosomatidae (Entoprocta, Solitaria) from the White Sea: Loxosomella unicornis sp. nov. Zootaxa 3861 (3): 290-296, DOI: 10.11646/zootaxa.3861.3.6
C92C87C6CD46285DFF47FEFC28A1FB99.taxon	etymology	Etymology. Greek unicornis, horn, alluding to the horn-shaped appendage on the top part of the calyx.	en	Borisanova, Anastasiya O., Krylova, Elena M. (2014): A new species of Loxosomatidae (Entoprocta, Solitaria) from the White Sea: Loxosomella unicornis sp. nov. Zootaxa 3861 (3): 290-296, DOI: 10.11646/zootaxa.3861.3.6
C92C87C6CD46285DFF47FEFC28A1FB99.taxon	diagnosis	Diagnosis. Adults: Medium-sized species, total length of body from end of foot to base of tentacles 300 – 350 µm (up to 650 µm) (Table 2). Calyx length 130 – 215 µm, width 120 – 230 µm. Calyx compressed in anteroposterior axis, about twice as wide as thick. Stalk length varies from 90 to 320 µm, stalk width about 70 – 105 µm. There is pair of thin, transparent lateral wings on sides of calyx making it rounded in frontal view. Calyx with 8 rather short tentacles, directed forward; 2 pigmented semicircular strips located on lateral margins around tentacle crown. Top part of back side of calyx above tentacle ring bearing a conspicuous horn-shaped appendage about 50 – 60 µm in length. Two pairs of ciliated lateral papillae are located on each side of calyx. Stomach about twice as wide as high, with lateral lobes. Stalk with prominent longitudinal muscles. Foot reduced. Reproduction: Buds emerge from paired laterofrontal areas at lower level of stomach, one bud on each side. Some specimens have 1 – 2 developing larvae in brood chamber. Larva with well-developed frontal and apical organs, prototroch diameter about 85 µm and episphere height about 110 µm. Specimen 1 2 3 4 5 6 * * Total length 296 250 289 370 398 355 377 515 Loxosomella unicornis sp. nov. differs from all described loxosomatid species in having a large horn-shaped appendage on top of the calyx. It is known that some loxosomatids have conspicuous appendages on their calyces (Table 3), but these appendages in the other species are thinner and longer, and have different locations, than in L. unicornis. Some individuals of L. vivipara Nielsen, 1966 bear an enigmatic organ on the back side of the calyx, above the anus, in the same position as the horn-shaped appendage in L. unicornis. However, there are structural differences between these organs in the two species — in L. vivipara the enigmatic organ consists of a ring of cells radiating from an opening that leads into a hollow, ball-shaped structure whilst in L. unicornis the appendage is solid and lacks an opening. Another remarkable feature of L. unicornis is the presence of two pigmented semicircular strips around the tentacle crown. A very similar structure was recorded in L. ameliae Sánchez-Tocino & Tierno-de-Figueroa, 2009. There is a field of well-marked gland cells along the base of the tentacle crown, but this species lacks the horn-like structure on top of the calyx, and additionally differs in tentacle number (10 – 12), foot structure (having a foot groove and glandular cells) and body size (520 – 820 µm).	en	Borisanova, Anastasiya O., Krylova, Elena M. (2014): A new species of Loxosomatidae (Entoprocta, Solitaria) from the White Sea: Loxosomella unicornis sp. nov. Zootaxa 3861 (3): 290-296, DOI: 10.11646/zootaxa.3861.3.6
