Dendrocephalus Daday 1908
Creators: name: Rabet, Nicolas
name: Lacau, Sébastien
name: Bozelli, Reinaldo L.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Branchiopoda
Anostraca
Thamnocephalidae
Dendrocephalus

description: Key for all known species of Brazilian Dendrocephalus
A key based on male characters is presented for all known species of the Brazilian Dendrocephalus, and we recommend verifying the coherence of the determination with Tables 1–3.
1. Proximal anterior surface of frontal appendage primary branches without spines ........................... 2 – Proximal anterior surface of frontal appendage primary branches with at least one spine ............... 3
2. Primary branches of frontal appendage with spines on medial surface, thoracopod I with endopodite without expansion..................................................................................... D. brasiliensis Pesta, 1921
– Primary branches of frontal appendage without spines, thoracopod I with endopodite with spiny expansion ................................................................... D. carajaensis Rogers, Gomes & Vieira, 2012
3. Proximal anterior surface of frontal appendage primary branches generally with one spine and branch 2A extremity with a strongly sclerotized hook ................ D. orientalis Rabet & Thiéry, 1996
– Proximal anterior surface of frontal appendage primary branches with three to four spines and branch 2A extremity podiform ...................................................................................................................... 4
4. Branch 1V anterior sub-branch with swollen distal portion.............................................................. 5 – Branch 1V anterior sub-branch with acute distal portion.................................................................. 6
5. Branch 2D, sub-branch I and II with several long spines.............. D. aranai Rabet & Lacau sp. nov. – Branch 2D, sub-branch I and II without long spines ........................................ D. thieryi Rabet, 2006
6. Thoracopod III with endopodite producing distolateral corner........................................................... .................................................................................................... D. goiasensis Rabet & Thiéry, 1996 – Thoracopod III with endopodite not producing distolateral corner................................................... 7
7. Thoracopod I with endopodite with basolateral spiniform projection; thoracopods II and III with endopod without large spines ............................................ D. riograndensis Rogers & Volcan, 2016
– Thoracopod I with endopodite with small basolateral extension with spines; thoracopods II and III with endopod with large marginal spines ................................... D. xikrini Rabet & Bozelli sp. nov.
description: Published as part of Rabet, Nicolas, Lacau, Sébastien & Bozelli, Reinaldo L., 2018, Richness of Dendrocephalus (Branchiopoda, Anostraca) in Brazil with the description of two new species, pp. 1-20 in European Journal of Taxonomy 478 on page 18, DOI: 10.5852/ejt.2018.478, http://zenodo.org/record/3825236