Parotoplana

Delogu, Valentina & Curini-Galletti, Marco, 2007, New species of the genus Parotoplana Meixner, 1938 (Proseriata, Otoplanidae) from southern Apulia (Italy), Zootaxa 1529, pp. 17-31 : 26

publication ID

https://doi.org/ 10.5281/zenodo.177648

DOI

https://doi.org/10.5281/zenodo.6242270

persistent identifier

https://treatment.plazi.org/id/039FC129-1E0C-FFEC-FF61-6DD6881EFA27

treatment provided by

Plazi

scientific name

Parotoplana
status

 

Parotoplana sp. A

( Figs. 5 View FIGURE 5 A–B; Fig. 7 View FIGURE 7 C)

Material: one whole mount (CZM 57). Apulia, Italy: Porto Cesareo (Lecce), La Strea (lat. 40°15’34.26”N, long. 17°53’47.63”E), slightly silty fine sand among rocks, about 1 m deep ( Otoplana zone), May 2005.

Description. General morphology of the body and arrangement of organs similar to the other species of the genus ( Fig. 5 View FIGURE 5 A). Sclerotized apparatus ( Figs. 5 View FIGURE 5 B; 7 C) consisting of:

1) a central stylet composed of a triangular lamina (83 ìm long), well sclerotized only at its margin and at the very slightly forked apex;

2) two companion spines (80 µm long), with poorly developed sickle shaped apices and obtuse subterminal teeth;

3) 12 spines (55 to 60 µm) with sickle shaped apices and obtuse subterminal teeth.

Karyotype. Chromosome number: n = 6; FN = 11. With chromosome pairs I–V metacentric; Chrom. VI subtelocentric, with a high centromeric index. Chroms. I and II distinctly larger than the remaining pairs. The only plate suitable for karyometric analysis yielded the following data: Chrom. I = r.l.: 28.74; c.i.: 47.53 (m); Chrom. II = r.l.: 27.3; c.i.: 35.71 (sm); Chrom. III = r.l.: 13.14; c.i.: 44.5 (m); Chrom. IV = r.l.: 11.7; c.i.: 33.33 (sm); Chrom. V = r.l.: 10.72; c.i.: 30 (sm); Chrom. VI = r.l.: 8.38; c.i.: 23.64 (st).

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