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Two new acotylean flatworms (Polycladida) of two genera unrecorded in the Eastern Atlantic

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Abstract

This paper describes two new species of two genera of polyclad flatworms found in the Iberian Peninsula, Parviplana and Phaenoplana. Parviplana jeronimoi sp. nov. is a small-sized polyclad with yellowish-brown background colour and pale yellow ventral body; gonopores well separated, with corrugated ventral body wall between them; and prostatic vesicle with a penis papilla surrounded by a penis sheath, both housed in a wide male atrium. Phaenoplana caetaria sp. nov. is characterised by a yellowish-brown dorsal body, without tentacles, ejaculatory duct projects inside the prostatic vesicle, spherical prostatic vesicle, twisted penis rod, well-developed male atrium and elongated small Lang’s vesicle. This is the first record of the genera Parviplana and Phaenoplana in Europe, as well as in the Eastern Atlantic.

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Abbreviations

cg:

Cement glands

cs:

Corrugated surface

ed:

Ejaculatory duct

el:

Epithelial lining

ev:

External vagina

fp:

Female pore

i:

Intestine

iv:

Internal vagina

lv:

Lang’s vesicle

ma:

Male atrium

mw:

Muscular wall

ov:

Oviduct

ph:

Pharynx

pp.:

Penis papilla

pr:

Penis rod

ps:

Penis sheath

pv:

Prostatic vesicle

sv:

Seminal vesicle

vd:

Vas deferens

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Acknowledgements

We thank Dr. Antonio Medina and Agustín Santos for the valuable support, expertise and teaching about the histological techniques carried out in this study. Special mention is due to Juliana Bahia, who provided the first advices and assistance to the first author. We also thank to all the collaborators who helped us collecting the material: Sandra Calero, Ana Karla Araújo, Fernando Cortés, Josep Roma, Mikel Rodríguez, Dyana Vitale, Jorge Rodríguez and Daniel Marquina, especially Dr. Deneb Ortigosa, who made a great effort in this purpose. The last phase in the elaboration of this contribution has been carried out under the auspices of the project “La Caleta (Cádiz) e intermareales rocosos asociados: una ventana permanente al conocimiento de la biodiversidad marina” funded by Fundación Biodiversidad of the Ministry of Agriculture and Fisheries, Food and Environment.

Funding

This contribution has been supported by the research project CGL2010-17187 funded by the Spanish Ministry of Economy and Competitiveness to Juan Lucas Cervera.

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Authors and Affiliations

  1. Departamento de Biología, Facultad de Ciencias del Mar y Ambientales, Campus de Excelencia Internacional del Mar (CEI·MAR), Av. República Saharahui, s/n, Ap. 40, 11510, Puerto Real, Cádiz, Spain

    Patricia Pérez-García & Juan Lucas Cervera

  2. Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), c/José Gutiérrez Abascal 2, Ap, 28006, Madrid, Spain

    Carolina Noreña

  3. Instituto Universitario de Investigación Marina (INMAR), Campus de Excelencia Internacional del Mar (CEI·MAR), Universidad de Cádiz, Av. República Saharahui, s/n, Ap. 40, 11510, Puerto Real, Cádiz, Spain

    Juan Lucas Cervera

Authors
  1. Patricia Pérez-García
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  2. Carolina Noreña
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  3. Juan Lucas Cervera
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Corresponding author

Correspondence to Patricia Pérez-García.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All applicable international, national and/or institutional guidelines for the care and use of animals were followed by the authors.

Sampling and field studies

No permits are required from the authorities of Spain for sampling the animal taxon studied in the present work.

Additional information

Communicated by M. Curini-Galletti

This article is registered in ZooBank under urn:lsid:zoobank.org:pub:91644826-961A-4FDC-878C-4F18C9EFA17B

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Pérez-García, P., Noreña, C. & Cervera, J.L. Two new acotylean flatworms (Polycladida) of two genera unrecorded in the Eastern Atlantic. Mar Biodiv 49, 1187–1195 (2019). https://doi.org/10.1007/s12526-018-0900-y

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  • DOI: https://doi.org/10.1007/s12526-018-0900-y

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