Solenofilomorpha pellucida Kånneby & Jondelius, 2013
- GBIF Backbone Taxonomy
- Published in
- Kånneby, T.; Jondelius, U. Four new species of Acoela from Chile. Zootaxa. 3736(5): 471-485. (2013).
- Solenofilomorpha pellucida
Diagnosis and taxonomic remarks: Solenofilomorpha pellucida n. sp. can be separated from all other species within the genus Solenofilomorpha based on the combination of the following characters: (i) very long and slender body (L / W ratio of 1: 18), (ii) ovaries extend to the posterior-most end of the body and (ii) absence of an antrum. An overview of characters of species of Solenofilomorpha is given in table 2. The presence of a ciliated pharynx, 15 the single testis, and the position of the ovaries posterior to the male copulatory organ supports the position within Solenofilomorphidae. The lack of rhammites and a penis further supports the position within Solenofilomorpha according to the diagnoses in Dörjes (1968) and Crezee (1975). The maximum likelihood analysis of the concatenated 18 S, 28 S and COI sequences provides high support for a clade containing Solenofilomorpha, Endocincta and Oligofilomorpha corresponding to the family Solenofilomorphidae. The individual monophyly of these genera based on molecular data has not yet been addressed. Hence, classification of the new species within Solenofilomorpha is reasonable since this is the type genus for Solenofilomorphidae (Fig. 16). FIGURES 14 – 15. 14. Solenofilomorpha pellucida n. sp. Photomicrograph of sagittal histological section stained with hematoxylin-eosin. Scale bar: 100 µm. 15. Solenofilomorpha pellucida n. sp. Schematic drawing of specimen (dorsal view). Scale bar: 100 µm. FIGURE 16. Solenofilomorpha pellucida n. sp. Details of the 50 % consensus tree after bootstrap analysis of the concatenated 18 S, 28 S and COI dataset showing the position of this species. TABLE 2. Selected characters for species within Solenofilomorpha. S. pellucida n. S. funilis S. guaymensis Crezee, S. justinei Nilsson et al. S. longissima sp. Crezee, 1975 1975 2011 Dörjes, 1968 Length / width-ratio 1: 18 1: 14 1: 14 1: 5 1: 19 Financial support from the European Community - Research Infrastructure Action under the FP 7 " Capacities " Specific Programme ASSEMBLE grant agreement no. 227799 is gratefully acknowledged. Grants from The Swedish Research Council (2012 - 3913) and from the Swedish Taxonomy Initiative (project no Dha 149 / 10 1.4) are gratefully acknowledged. We wish to thank the director and staff of ECIM. Thanks are also extended to Keyvan Mirbakhsh for producing the sequence data.
Etymology: The species epithet pellucida refers to the absence of pigmentation which renders the living specimens translucent.
Type Material: Holotype — SMNH Type- 8472 (longitudinal sections); Paratype 1 — SMNH Type- 8473 (longitudinal sections). Type Locality: Marina, El Quisco, Chile (33 ° 23 ' 35.664 " S, 71 ° 41 ' 53.088 " W), at 10 m water depth in fine sand. Other Material Examined: Whole mounts of living specimens.
- Kånneby, T.; Jondelius, U. (2013). Four new species of Acoela from Chile. <em>Zootaxa.</em> 3736(5): 471-485.
- Tyler, S.; Schilling, S.; Hooge, M.; Bush, L. F. (comp.). (2006-2016). Turbellarian taxonomic database. Version 1.7.