Table 3 in An Integrative Taxonomic Revision of the Freshwater Atyid Shrimps (Crustacea: Decapoda: Caridea) of Micronesia

Table 3. Morphological comparison between the three known species of Atyoida. Measurements in bold are discriminant. Atyoida chacei sp. nov. (n = 11)Atyoida pilipes (n = 39)Atyoida tahitensis (n = 22)Dactylus length/width3.9–5.93.5–6.13.9–6.0P1Chela length/width1.9–4.21.7–4.71.8–3.9Carpus length/width1.0–1.30.9–1.40.8–1.2Dactylus length/width3.7–6.33.6–5.33.9–5.7P2Chela length/width2.2–3.92.1–4.31.9–4.0Carpus length/width1.0–1.81.0–1.61.0–1.5Dactylus spines number2–63–53–6P3Propodus length/dactylus length2.5–3.72.2–3.71.8–3.1Dactylus length/width1.7–3.21.7–3.72.2–3.3Propodus length/width3.0–6.63.9–7.53.9–5.4Dactylus spines number8–184–145–13P5Propodus length/dactylus length3.3–5.62.9–4.82.7–5.8Dactylus length/width2.1–3.52.1–5.11.7–4.4Propodus length/width5.9–13.46.0–10.46.0–10.4Dorsal teeth number000RostrumVentral teeth number0–200Length/carapace length0.2–0.40.2–0.30.2–0.3UropodDiaeresis spines number15–2015–2214–18Distal setae number8–114–96–10TelsonLength/width2.4–2.82.3–3.12.5–3.2Dorsal spines number (left + right)2–5 + 4–81–5 + 1–42–4 + 2–3EggsSize (mm)0.51–0.52 × 0.29–0.310.47–0.60 × 0.31–0.390.55–0.70 × 0.29–0.54