Stygonitocrella Karanovic & Hancock, 2009, s. l.
Creators: name: Karanovic, Tomislav
name: Hancock, Peter
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Hexanauplia
Harpacticoida
Ameiridae
Stygonitocrella

description: Key to genera of Stygonitocrella s. l.   
 1 Endopod of fourth leg one-segmented ............................................................................................ Stygonitocrella s. l.   
- Endopod of fourth leg two- or three-segmented................................................................................... other Ameiridae  
2 Ultimate exopodal segment of first leg with five elements.......................................................................................... 3  
- This segment with four elements.................................................................................................................................. 5  
 3 Endopod of fourth leg reduced to a small, unarmed knob ............................................. Kimberleynitocrella gen. nov.   
- This segment well developed, armed............................................................................................................................ 4  
 4 Third exopodal segment of second and third legs with an inner seta................................. Gordanitocrella gen. nov.   
 - This segment without inner seta ........................................................................................ Eduardonitocrella gen. nov.   
5 Third exopodal segment of second leg with two outer spines..................................................................................... 6  
 - This segment with three outer spines..................................................................................... Lucionitocrella gen. nov.   
6 Endopod of fourth leg reduced to a small, unarmed knob........................................................................................... 7  
- This segment well developed, armed with one element............................................................................................... 8  
 7 Second exopodal segment of first leg without outer spine........................................... Psammonitocrella Huys, 2009   
 - This segment with outer spine................................................................................... Neonitocrella Lee & Huys, 2002   
 8 Endopod of second leg with single element ............................................. Stygonitocrella Reid, Hunt & Stanley, 2003   
- This segment with two armature elements................................................................................................................... 9  
 9 Lateral seta on endopod of second leg present....................................................................... Reidnitocrella gen. nov.   
- This seta absent........................................................................................................................................................... 9  
10 Swimming legs without outer seta on basisInermipes.................................................................... Lee & Huys, 2002  
 - This seta present........................................................................................................... Megastygonitocrella gen. nov.
description: Published as part of Karanovic, Tomislav & Hancock, Peter, 2009, On the diagnostic characters of the genus Stygonitocrella (Copepoda, Harpacticoida), with descriptions of seven new species from Australian subterranean waters 2324, pp. 1-85 in Zootaxa 2324 (1) on page 82, DOI: 10.11646/zootaxa.2324.1.1, http://zenodo.org/record/5313036