First zoeal stage of Processidae (Decapoda, Caridea): review and new descriptions of Ambidexter symmetricus Manning and Chace 1971 and Processa fimbriata Manning and Chace 1971

Table 2 Comparison of some characters of Zoea I from families Processidae and Hippolytidae

Characters	Processidae	Hippolytidae
Number of recognized species	68	318
Number of species with first zoeal stage known	15	66^a
Dorsal tubercles on carapace	Absent or 1	Absent, 1 or 2
Distance between bases of antennules in relation to width of each antennule^b	Longer	Shorter
Plumose setae on antennal scale	11 or 12	9–14
Plumose setae on scaphognathite	5	3–35
Abdominal segments with dorsolateral spines	4 and 5, or only 5	Absent, 4 and 5, or only 5
Pereiopod buds	1 or 2	Absent or 1–5
Pairs of setae on telson	7	7–10
Abbreviated development	Not reported	Present

Data for latter family from Terossi et al. (2010), ^a until 2010; ^b according to Ortega et al. (2005). Number of recognized species according to De Grave and Fransen (2011)

ISSN: 1438-3888