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Potamon (Parathelphusa) prolatus Rathbun, 1902 USNM 29997 Syntype Buccal Cavity
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Potamon (Parathelphusa) prolatus Rathbun, 1902 USNM 29997 Syntype Mouth + Chela
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Potamon (Parathelphusa) prolatus Rathbun, 1902 USNM 29997 Syntype Gonopods
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Potamon (Parathelphusa) prolatus Rathbun, 1902 USNM 29997 Syntype Ventral view
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Potamon (Parathelphusa) prolatus Rathbun, 1902 USNM 29997 Syntype Open Abdomen view
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Potamon (Parathelphusa) prolatus Rathbun, 1902 USNM 29997 Syntype Dorsal view