Pseudoniphargus Dole-Olivier & Hafid & Piscart 2018
Description
Key to Pseudoniphargus species from Continental Africa and Mediterranean Islands
1 Uropod 1 peduncle without basofacial spine................................................................ 2 - Uropod 1 peduncle with strong basofacial spine............................................................. 5
2. Telson markedly notched................................................................................ 3
- Telson notch poorly marked................................................................ P. djemoi sp. nov.
3. Telson not elongated, quadrangular........................................................................ 4
- Telson elongated, longer than wide.................................................. P. macrotelsonis Stock, 1980
4. Uropod 3 sexually dimorphic; accessory flagellum of antenna 1 shorter than the first article of main flagellum; basis of pereopod 7 without posterodistal lobe............................................... P. sodalis Karaman & Ruffo, 1989
- Uropod 3 not sexually dimorphic; accessory flagellum of antenna 1 longer than first article of main flagellum; basis of pereopod 7 with posterodistal lobe........................................................... P. daviui Jaume, 1991
5. Main flagellum of antenna 1 more than 20-articulate.......................................................... 6
- Flagellum less than 20-articulate......................................................................... 10
6. Flagellum of antenna 2 more than 11-articulate.............................................................. 7
- Flagellum of antenna 2 less than 11-articulate............................................................... 9
7. Accessory flagellum of antenna1 longer than first article of main flagellum........................................ 8
- Accessory flagellum of antenna1 shorter than (or equal to) first article of main flagellum...................................................................................................... P. longipes Coineau & Boutin, 1996
8. Main flagellum of antenna1 more than 30-articulate; coxal plate 4 markedly excavate............................................................................ P. longiflagellum Fakher-el-Abiari, Oulbaz, Messouli & Coineau, 1999
- Main flagellum of antenna1 less than 25-articulate; coxal plate 4 not markedly excavate......................................................................................................... P. ruffoi Coineau & Boutin, 1996
9. Coxal plate 4 markedly excavate; telson poorly notched........... P. duplus Messouli, Messana & Yacoubi-Khebiza, 2006
- Coxal plate 4 not markedly excavate; telson notch absent................................... P. pedrerae Pretus, 1990
10. Accessory flagellum of antenna 1 longer than first article of main flagellum...................................... 11
- Accessory flagellum of antenna 1 shorter than first article of main flagellum...................................... 15
11. Coxal plate 4 poorly excavate........................................................................... 12
- Coxal plate 4 markedly excavate........................................................................ 13
12. Pereopod 7 basis posterodistal lobe present; uropod 3 sexually dimorphic.................................................................................................. P. obritus Messouli, Messana & Yacoubi-Khebiza, 2006
- Pereopod 7 basis posterodistal lobe absent; uropod 3 not sexually dimorphic............................................................................................................. P. maroccanus Boutin & Coineau, 1988
13. Telson quadrangular; Pereopod 7 basis elongated................................. P. italicus Karaman & Ruffo, 1989
- Telson not quadrangular............................................................................... 14
14. Main flagellum of antenna 1 more than 15-articulate; flagellum of antenna 2 = 10-articulate................................................................................................ P. romanorum Coineau & Boutin, 1996
- Main flagellum of antenna 1 less than 15-articulate; flagellum of antenna 2 <10-articulate; telson notch marked................................................... P. beninensis Lagnika, Messouli, Ibikounlé, Sakiti, Boutin & Coineau, 2016
15. Basis of pereopod 7 wide.............................................................................. 16
- Basis of pereopod 7 slender............................................................................ 17
16. Basis of pereopod 7 without posterodistal lobe.............................................. P. triasi Jaume, 1991
- Basis of pereopod 7 with posterodistal lobe........................................... P. africanus Chevreux, 1901
17. Basis of pereopod 7 without posterodistal lobe............................................................. 18
- Basis of pereopod 7 with a posterodistal lobe.............................................................. 19
18 Main flagellum of antenna1 =18-articulate; coxa 4 excavated; telson markedly notched; uropod 3 sexually dimorphic....................................................................................... P. pityuensis Pretus, 1990
- Flagellum of antenna 1 =12-articulate; coxa 4 poorly excavated; telson notch not strongly marked; uropod 3 not sexually dimorphic....................................................................... P. racovitzai Pretus, 1990
19. Telson quadrangular........................................................... P. adriaticus S. Karaman, 1955
- Telson broad........................................................................................ 20
20. Telson notch marked..................................... P. planasiae Messouli, Messana & Yacoubi-Khebiza, 2006
- Telson notch poorly marked............................................................................ 21
21. Pereopod 7 propodus elongated (length/width>10)....................................... P. mercadali Pretus, 1988
- Pereopod 7 propodus not elongated (length/width <10)........................... P. inconditus Karaman & Ruffo, 1989
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Pseudoniphargidae
- Genus
- Pseudoniphargus
- Kingdom
- Animalia
- Order
- Amphipoda
- Phylum
- Arthropoda
- Scientific name authorship
- Dole-Olivier & Hafid & Piscart
- Taxon rank
- genus
- Taxonomic concept label
- Pseudoniphargus Dole-Olivier, 2018 sec. Dole-Olivier, Hafid & Piscart, 2018
References
- Stock, J. H. (1980) Regression model evolution as exemplified by the genus Pseudoniphargus (Amphipoda). Bijdragen tot de Dierkunde, 50 (1), 105 - 144.
- Karaman, G. S. & Ruffo, S. (1989) Tyrrhenogammarus sardous, new genus and species with a description of several new taxa of the genus Pseudoniphargus Chevreux, 1901 from Sicily (Amphipoda, Gammaridea). Animalia, 16, 161 - 192.
- Jaume, D. (1991) Two new species of the amphipod genus Pseudoniphargus (Crustacea) from Cabrera (Balearic islands). Stygologia, 6 (3), 177 - 189.
- Coineau, N. & Boutin, C. (1996) Age and origin of the stygobiontic amphipod Pseudoniphargus (Crustacea) in Morocco, with the description of three new species. Bollettino del Museo Civico di Storia Naturale di Uerona, 20, 503 - 520.
- Fakher el Abiari, A., Oulbaz, Z., Messouli, M. & Coineau, N. (1999) A new species of Pseudoniphargus (Crustacea, Amphipoda) from subterranean water of northeastern Morocco: historical biogeography and evolutionary aspects. Contributions to Zoology, 68 (3), 161 - 171.
- Messouli, M., Messana, G. & Yacoubi-Kebhiza, M. (2006) Three new species of Pseudoniphargus (Amphipoda), from the groundwater of three Mediterranean islands, with notes on the Ps. adriaticus. Subterranean Biology, 4, 79 - 101.
- Pretus, J. L. (1990) Three new species of the genus Pseudoniphargus (Crustacea: Amphipoda) in Balearic ground waters. Stygologia, 5, 101 - 118.
- Boutin, C. & Coineau, N. (1988) Pseudoniphargus maroccanus n. sp. (subterranean amphipod), the first representative of the genus in Morocco, phylogenetic relationships and paleobiogeography. Crustaceana, 13 (Supplement), 1 - 19.
- Lagnika, M., Messouli, M., Ibikounle, M., Sakiti, N., Boutin, C. & Coineau, N. (2016) First record of groundwater amphipods (Crustacea) from Benin; range extension of the genus Pseudoniphargus to South of the Sahara, in western Africa. Bulletin de la Societe d'Histoire Naturelle de Toulouse, 152, 21 - 30.
- Chevreux, E. (1901) Amphipodes des eaux souterraines de France et d'Algerie. V. Pseudoniphargus africanus nov. gen. et sp. Bulletin de la Societe zoologique de France, 26, 211 - 216.
- Karaman, S. L. (1955) Uber einige amphipoden des grundwassers der Jugoslavischen meeres kuste. Acta Musei Macedonici Scientiarum Naturalium, 2, 223 - 242.
- Pretus, J. L. (1988). A new stygobiont amphipod, Pseudoniphargus mercadali n. sp., from the island of Minorca (Balearic Archipelago). Stygologia, 4, 229 - 241.