Scyracepon, Tattersall, 1905

publication ID	https://doi.org/ 10.11646/zootaxa.4851.1.6
publication LSID	lsid:zoobank.org:pub:2B3E81FE-D1DC-4087-B36D-80158A178638
DOI	https://doi.org/10.5281/zenodo.4407829
persistent identifier	https://treatment.plazi.org/id/03D91126-7D2E-FFC3-FF30-FDA7C7DEFB6F
treatment provided by	Plazi
scientific name	Scyracepon
status

Key to the species of Scyracepon View in CoL based on female characters

1 Pereon without middorsal projections ............................................... S. australiana Markham, 2010 View in CoL

- Pereon with middorsal projections...................................................................... ... 2

2 All pereomeres with middorsal projections.............................................. .... S. levis Barnard, 1940 View in CoL

- Less than five pereomeres with middorsal projections...................................................... ... 3

3 Last four pereomeres with middorsal projections ............................................................. 4

- Last two or three pereomeres with middorsal projections ....................................................... 7

4 Middorsal projection of last pereomere elongate, extending to end of pleon ................ S. quadrihamatum Shiino, 1936 View in CoL

- Middorsal projection of pereomeres subequal, not extending beyond first segment of pleon ............................ 5

5 Posterior margin of oostegite 1 smooth.................................................. .. S. polynesiensis View in CoL n. sp.

- Posterior margin of oostegite 1 bearing projections ........................................................... 6

6 Middorsal projection of pereomere 7 larger than others ............................... S. hawaiiensis Richardson, 1910 View in CoL

- Middorsal projections subequal......................................................... S. pseudoliomerae View in CoL n. sp.

7 Last three pereomeres with middorsal projections ............................................................. 8

- Last two pereomeres with middorsal projections ............................................................. 9

8 Head bilobate ................................................................... .. S. oceanicum Shiino, 1942 View in CoL

- Head oval ..................................................................... S. tuberculosa Tattersall, 1905 View in CoL

9 Last two pereomeres with small middorsal projections.......................... … S. distincta An, Boyko & Yu, 2012 View in CoL

- Last two pereomeres with prominent middorsal projections ................................................... 10

10 Head markedly bilobate .................................................................. S. biglobosus View in CoL n. sp.

- Head indistinctly bilobate ....................................................... S. thalamitae ( Markham, 1985) View in CoL