Macrostylis G. O. Sars 1864
- Dataset
- Macrostylis cerritus sp. nov., a new species of Macrostylidae (Isopoda: Asellota) from the Weddell Sea, Southern Ocean *
- Rank
- GENUS
Classification
- kingdom
- Plantae
- phylum
- Tracheophyta
- class
- Magnoliopsida
- order
- Sapindales
- family
- Rutaceae
- genus
- Macrostylis
Macrostylis G. O. Sars 1864
Key to the Southern Ocean species of Macrostylis
1 Pleotelson rounded laterally.......................................................................................................................................... 4
- Pleotelson not rounded laterally................................................................................................................................... 2
2 Pleotelson laterally straight, with plumose setae................................................................................. M. hirsuticaudis
- Pleotelson not laterally straight, without plumose setae............................................................................................... 3
3 Cephalon quadrate, pleotelson with lateral indentation............................................................................ M. bifurcatus
- Cephalon triangular, pleotelson slightly produced.................................................................................... M. spiniceps
4 Pereonites 5–7 and pleotelson dorsally setulose.......................................................................................... M. setulosa
- Pereonites 5–7 and pleotelson not dorsally setulose..................................................................................................... 5
5 Pereonite 7 and pleotelson with dorsal spine-like setae................................................................................... M. sarsi
- Pereonite 7 and pleotelson without dorsal spine-like setae.......................................................................................... 6
6 Pereonites 1–7 subequal, 5–7 with postero-lateral spines.............................................................. M. cerritus sp. nov.
- Anterior pereonites wider than posterior pereonites..................................................................................................... 7
7 Distinct postero-lateral spines on pereonites 4–7, cephalon anterior edge straight............................ M. vinogradovae
- Small postero-lateral spines on pereonites 4–7, cephalon anterior edge slightly rounded.................... M. bipunctatus
Name
- Homonyms
- Macrostylis G. O. Sars 1864