Paralophogaster, Hansen, 1910
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publication ID |
https://doi.org/10.50826/bnmnszool.51.2_31 |
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persistent identifier |
https://treatment.plazi.org/id/03D7725C-FFCE-FFBC-DDC4-FBD6FB323298 |
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treatment provided by |
Felipe |
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scientific name |
Paralophogaster |
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Key to the known species of Paralophogaster View in CoL
1 Telson gently narrowing posteriorly, without marked constriction posterior to sub-terminal lateral long setal-spines falling far short of posterior margin of telson ............................. (l sanzoi View in CoL z group) 2
– Telson abruptly narrowing posterior to sub-terminal lateral long setal-spines extending beyond posterior margin of telson............................................................................................. (l glaber View in CoL z group) 5
2 Rostral plate with anterior margin well produced anteriorly, noticeably narrowing towards basal part in dorsal aspect.............................................................................................................................3
– Rostral plate with anterior margins nearly straight or slightly convex, not distinctly narrowing towards basal part in dorsal aspect......................................................................................................4
3 Eyes with long ocular papilla......................................................................... P. foresti Băcescu, 1981 View in CoL
– Eyes without ocular papilla...................................................................... P. boucheti Casanova, 1993 View in CoL
4 Rostral plate with anterior margins convex; eyes with large cornea more than one and half times as broad as rostral plate .......................................................................... P. philippinensis Băcescu, 1981 View in CoL
– Rostral plate with anterior margins straight; eyes with moderately large cornea as broad as rostral plate................................................................................................................... P. sanzoi Colosi, 1930 View in CoL
5 Eyes noticeably small, cornea narrower than eye-stalk ......................................................................6 – Eyes moderate or large, cornea broader than eye-stalk.......................................................................7
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