What is "dendrocephalus"

Dendrocephalus is a genus of fairy shrimp found in South and North America. It is characterised by the presence of an antenna-like appendage arising between the second antennae and the eyestalks. The genus comprises 16 species in two subgenera:

• Dendrocephalus affinis Pereira, 1984 – Venezuela
• Dendrocephalus argentinus Pereira & Belk, 1987 – Paraguay
• Dendrocephalus brasiliensis Pesta, 1921 – Argentina, Brazil
• Dendrocephalus cervicornis (Weltner, 1890) – Argentina
• Dendrocephalus conosurius Pereira & Ruiz, 1995
• Dendrocephalus cornutus Pereira & Belk, 1987 – Costa Rica
• Dendrocephalus geayi Daday, 1908 – Venezuela
• Dendrocephalus goiasensis Rabet & Thiéry, 1996 – Brazil
• Dendrocephalus orientalis Rabet & Thiéry, 1996 – Brazil
• Dendrocephalus sarmentosus Pereira & Belk, 1987 – Galápagos Islands
• Dendrocephalus spartaenovae Margalef, 1967 – Venezuela
• Dendrocephalus thieryi Rabet, 2006 – Brazil
• Dendrocephalus venezolanus Pereira, 1984 – Venezuela

• Dendrocephalus acacioidea (Belk & Sissom, 1992) – United States
• Dendrocephalus alachua (Dexter, 1953) – United States
• Dendrocephalus lithaca Creaser, 1940 – United States