Hopperia Vitiello 1969
Creators: name: Leduc, Daniel
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Nematoda
Adenophorea
Desmodorida
Comesomatidae
Hopperia

description: Key to all known species of Hopperia
(modified from Pastor de Ward (2004))
1. Cuticle with irregularly-distributed dots in the lateral fields ............................................................... 3
2. Cuticle with four longitudinal rows of coarse dots in lateral fields in anterior half or entire body length ............................................................................. Hopperia communis Gagarin & Thanh, 2006
3. Stoma armed with three teeth at juncture of anterior and posterior portions of buccal cavity............ 4
– Stoma armed with six teeth at juncture of anterior and posterior portions of buccal cavity....................................................................................... H. hexadentata Hope and Zhang, 1995
4. Spicules without joint .......................................................................................................................... 5 – Spicules jointed; cephalic setae 0.4 hd;> 13 small pre-cloacal supplements; tail conico-cylindrical with swollen tip and terminal setae ................................................... H. metatypica (Chitwood, 1936)
5. Spicules without distal hook................................................................................................................ 6 – Spicules with distal hook; short conical cephalic setae; tail without terminal setae ............................. ................................................................................................................................. H. ancora sp. nov.
6. Spicules without sharp proximal bend pointing ventrally ................................................................... 7 – Spicules with sharp proximal bend; tail conico-cylindrical with swollen tip and terminal setae ................................................................................................. H. mira Gagarin and Thanh, 2006
7. Tail without conspicuous spinneret ..................................................................................................... 8 – Tail with conspicuous spinneret; terminal setae absent; cylindrical portion of tail> 50% tail length ....................................................................................... H. dolichura Gagarin and Thanh, 2006
8. Length of posterior cylindrical portion of buccal cavity> 1.5 amphid diameters .............................. 9 – Length of posterior cylindrical portion of buccal cavity <1.5 amphid diameters; 12 pre-cloacal supplements; spicules 0.5 abd ..................................................... H. patagonica Pastor de Ward, 2004
9. Length of posterior cylindrical portion of buccal cavity =1.5-2.5 amphid diameters ....................... 10 – Length of posterior cylindrical portion of buccal cavity> 2.5 amphid diameters .............................11
10. Spicules <2.0 abd ............................................................................................................................ 12 – Spicules> 2.0 abd; pre-cloacal supplements present; tail with terminal setae .................................... ............................................................................................................. H. muscatensis Warwick, 1973
11.> 10 pre-cloacal supplements; spicules 69 μm .............................. H. indiana Muthumbi et al., 1997 – <10 pre-cloacal supplements; spicules 37-44 μm ...................................... H. australis Jensen, 1992
12. Tail tip not swollen ........................................................................................................................... 13 – Tail tip swollen ................................................................................................................................. 14
13. Reflexed ovaries; 8 pre-cloacal supplements ............................. H. dorylaimopsoides (Allgen, 1959) – Outstretched ovaries; 6-8 pre-cloacal supplements; tail conical ......................................................... ..................................................................................................... H. beaglense Muthumbi et al., 1997
14. <10 pre-cloacal supplements; ovaries outstretched ........................................................................ 15 –> 10 pre-cloacal supplements; ovaries reflexed ..................................... H. massiliensis Vitiello, 1969
15. Tail 3.5 abd; a = 26-30; spicules 1.4 abd .................................... H. americana Pastor de Ward, 1984 – Tail 4.4 abd; a = 31-40; spicules 1.8 abd ............................................. H. arntzi Chen & Vincx, 1998
description: Published as part of Leduc, Daniel, 2012, Deep-sea nematodes (Comesomatidae) from the Southwest Pacific Ocean: five new species and three new species records, pp. 1-42 in European Journal of Taxonomy 24 on page 35, DOI: 10.5852/ejt.2012.24, http://zenodo.org/record/3858345