Title:

Practinocephalus brzeskii sp. nov. (Nematoda: Actinolaimidae) from Ecuador, with taxonomic notes on the genus

Subtitle:

Annales Zoologici, vol. 50, no 2

Creator:

Vinciguerra, Maria Teresa ; Clausi, Mirella

Contributor:

Polska Akademia Nauk. Muzeum i Instytut Zoologii

Publisher:

Muzeum i Instytut Zoologii PAN

Place of publishing:

Warszawa

Date issued/created:

2000

Description:

Incorrect ISSN 0001-6454 ; Bibliogr. s. 296 ; S. 289-296 : il. ; 24 cm

Type of object:

Journal/Article

Subject and Keywords:

Actinolaimidae ; Nematoda ; new species ; Practinocephalus ; taxonomy

Abstract:

The new species Practinocephalus brzeskii from Ecuador is described and illustrated. It is characterised by amedium length body, transversely striated cuticle with 30–34 longitudinal cuticular ridges, lip region conspicuous, set off by adepression but only slightly expanded, inner labial and cephalic papillae in the same circle external to the sclerotized anterior ring, odontostyle 30–34 μm long, onchia multi-pointed, cheilostomal sclerotizations heavy and complex, muscular part of pharynx starting at level of nerve ring, female reproductive apparatus didelphic, vulva longitudinal, vagina with sclerotized pieces, female tail elongate conoid to filiform. Males are also described and illustrated for the first time in the genus; they are characterised by a convex conoid tail with a filiform appendix, shorter than female tail and variable in length. A new diagnosis of the genus Practinocephalus and a key to its species are given.

Relation:

Annales Zoologici

Volume:

50

Issue:

2

Start page:

289

End page:

296

Resource type:

Text

Detailed Resource Type:

Article

Format:

application/pdf

Source:

MiIZ PAN, call no. patrz sygn. czas. P.255, vol 50, no 2 ; MiIZ PAN, call no. patrz sygn. czas. P.4314, vol 50, no 2 ; click here to follow the link

Language:

eng

Language of abstract:

eng

Rights:

Creative Commons Attribution BY 3.0 PL license

Terms of use:

Copyright-protected material. [CC BY 3.0 PL] May be used within the scope specified in Creative Commons Attribution BY 3.0 PL license, full text available at: ; -

Digitizing institution:

Museum and Institute of Zoology of the Polish Academy of Sciences

Original in:

Library of the Museum and Institute of Zoology of the Polish Academy of Sciences

Projects co-financed by:

Programme Innovative Economy, 2010-2014, Priority Axis 2. R&D infrastructure ; European Union. European Regional Development Fund

Access:

Open