Phonorhynchopsis haegheni ( Artois & Schockaert, 2001 ) Willems & Artois, 2017

Diez, Yander L., Hernández, Claudia Sanjuan, Reygel, Patrick, Roosen, Paulien & Artois, Tom, 2018, First record of Polycystididae (Platyhelminthes, Kalyptorhynchia) from Cuba, with the description of a new genus and five new species, and remarks and the description of one new species from Panama, Zootaxa 4514 (1), pp. 107-125 : 112

Phonorhynchopsis haegheni ( Artois & Schockaert, 2001) Willems & Artois, 2017 (in Willems et al. 2017)

( Fig. 2 A–B)

Material and distribution in Cuba. Observations on live animals. Eleven whole mounts (UH VIII.2.40– VIII.2.50): one from Nicaro (January 28, 2016), intertidal in coarse sand, salinity 30 ‰; one from Macabí (April 23, 2017), intertidal, upper 10 cm of the fine sand, salinity 34 ‰; eight from Siboney (February 7 & May 15, 2016, March 22 and June 5, 2017), intertidal up to 0.6 m depth, in fine sand with organic debris, salinity 32–35 ‰; one from Chivirico (March 17, 2017), intertidal in very fine sand, salinity 35 ‰.

Remarks. In the specimens from Cuba the prostate stylet type IV ( Fig. 2B ) is 60–100 µm long (x̄ = 86 µm; n = 11), 10–15 µm wide proximally (x̄ = 12 µm; n = 10) and 3–6 µm wide in the middle (x̄ = 4 µm; n = 10). The accessory stylet type IV ( Fig. 2A ) is 250–294 µm long (x̄ = 274 µm; n = 11), 8–14 µm wide proximally (x̄ = 11 µm; n = 11) and 4–8 µm wide subdistally (x̄ = 6 µm; n = 11). The measurements of the specimens from Cuba are in the range of the specimens from Florida and Curaçao, being longer than the specimens from Galapagos Islands and Indonesia (see Artois & Schockaert 2001; Artois & Tessens 2008).

Figures

FIGURE 2. Phonorhynchopsis haegheni (Artois & Schockaert, 2001) (specimen from Cuba). A, accessory stylet type IV. B, prostate stylet type IV. Phonorhynchopsis linguatus (Artois & Tessens, 2008). C, accessory stylet type IV. D, prostate stylet type IV (reference specimen HU III.4.47 from Kenya). E, accessory stylet type IV. F, prostate stylet type IV (reference specimen HU IV.1.17 from Zanzibar). Phonorhynchopsis capillaris sp. n. (holotype). G, accessory stylet type IV. H, prostate stylet type IV. Phonorhynchopsis sublinguatus sp. n. (holotype). I, accessory stylet type IV. J, prostate stylet type IV.