Calabozoidae Van Lieshout 1983

Taxonomic key to genera of Calabozoidae 1. Pleonite II dorsally visible, similar to pleonite III ..................... Brasileirinho – Pleonite II not visible dorsally, or only medially................................ 2 2. Headshield subrectangular......................................... Poicarcinia – Headshield trapezoidal..................................................... 3 3. Pleon narrower than pereon...................................... Itaraecarcinia – Pleon in a continuous line as pereon.......................................... 4 4. Pleonite I not visible dorsally, being covered by pereonite 7............... Calabozoa – Pleonite I visible dorsally in middle.......................................... 5 5. Pleotelson over 70% of pleon length.............................. Pongycarcinia – Pleotelson 50-60% of pleon length................................. Oiticicarcinia