Pseudobiceros bajae (Hyman, 1953)

Soutullo, Patricia, Cuadrado, Daniel & Noreña, Carolina, 2021, First study of the Polycladida (Rhabditophora, Platyhelminthes) from the Pacific Coast of Costa Rica, Zootaxa 4964 (2), pp. 363-381 : 373

publication ID

https://doi.org/ 10.11646/zootaxa.4964.2.7

publication LSID

lsid:zoobank.org:pub:7E356498-C414-4B75-A3E5-5E9E85291BBB

DOI

https://doi.org/10.5281/zenodo.4709605

persistent identifier

https://treatment.plazi.org/id/AE2487EA-9A65-C425-929C-51C141CD11B8

treatment provided by

Plazi

scientific name

Pseudobiceros bajae (Hyman, 1953)
status

 

Pseudobiceros bajae (Hyman, 1953) View in CoL

( Fig. 7 View FIGURE 7 )

Material examined: Five specimens sampled. Four specimens fixed for molecular and histological studies. One sagittally sectioned and stained with Azan for the Invertebrate Collections of the Museum of Natural Science ( MNCN) Madrid, Spain ..

Location: Playa Carbón Beach 10 ° 20’53.4 “N 85 ° 51’44.5” W and Playa Langosta 10 ° 17’32.2 “N 85 ° 51’12.7” W, in Las Baulas National Park of Guanacaste, Costa Rica ( Fig. 7A View FIGURE 7 ); Between May 18 and 24, 2018. 73 slides: MNCN 4.01 About MNCN /2503 to MNCN 4.01 About MNCN /2575 GoogleMaps .

Habitat: Low intertidal, under stones on sand and in intertidal pools under stones.

Description: External features ( Fig. 7B, C View FIGURE 7 ): Elongated body shape, wavy margins, front and with rounded posterior end. Length: 38 mm. Pseudotentacles ear-shaped. Ebony black dorsal colouration uniformly dotted with small white dots. There is an unpigmented region around the pseudotentacles on which a cerebral eye cluster is located. Ventrally pigment is less. Pharynx ruffled in the first half of the body.

Reproductive system ( Fig. 7E, D, F View FIGURE 7 ): Two male copulatory organs, both formed by an elongated seminal vesicle; oval, muscular prostatic vesicle ( Fig. 7E, D View FIGURE 7 ); without stylet, but reinforced ductus ejaculatorius and elongated, ciliated atrium ( Fig. 7F View FIGURE 7 ).

Female reproductive system formed by a vagina externa and an underdeveloped vagina that curve towards the posterior end ( Fig. 7F View FIGURE 7 ).

Distribution: Pseudobiceros baJae has been reported from the Mexican Pacific; Puerto Peñasco, Miramar and Bahia de la Paz (Hyman 1953) and now from Costa Rica in this study.

MNCN

Museo Nacional de Ciencias Naturales

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