Palaemonella dolichodactylus, Bruce, 1991

Bruce, A. J., 2008, A new species of Palaemonella Dana, 1852, (Crustacea: Decapoda; Pontoniinae) from the Red Sea, Zootaxa 1844 (1), pp. 63-68 : 67

Key to taxa of the P. dolichodactylus species complex ( Li & Bruce, 2006: 663)

1. Hepatic spine branchiostegal.......................................................................................................................2

- Hepatic spine not branchiostegal.................................................................................................................4

2. With postorbital carina, with first rostral tooth postorbital, epigastric spine at 0.29–0.31 of CL...............3

- Without postorbital carina, without postorbital rostral tooth, epigastric spine at 0.25 of CL ....................... ...................................................................................................................................... P. meteorae sp. nov.

3. Antennal spine large, hepatic spine small .......................................................... P. komaii Li & Bruce, 2006

- Antennal and hepatic spines both small ............................ Palaemonella sp. , Li, Mitsuhashi & Chan, 2008

4. Ambulatory propods sub-segmented, with ventral spinules ........................ P. dolichodactylus Bruce, 1991

- Ambulatory propods not sub-segmented, without ventral spinules.............................................................5

5. Second pereiopod chelae with fingers shorter than palm, ambulatory propod 2.4 times longer than dactyl ...................................................................................................................... Palaemonella sp. Bruce, 2003

- Second pereiopod chelae with fingers longer than palm, ambulatory propod 5.0 times longer than dactyl. ................................................................................................................................. P. hachijo Okuno, 1999