Ariopsis
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publication ID |
https://doi.org/ 10.11646/zootaxa.4290.1.1 |
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publication LSID |
lsid:zoobank.org:pub:25836DE9-00C1-43FB-9742-2E427FD5C8A0 |
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DOI |
https://doi.org/10.5281/zenodo.6029440 |
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persistent identifier |
https://treatment.plazi.org/id/03992C13-FF9F-FFC8-A1E1-FD3A1AC4FA79 |
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treatment provided by |
Plazi |
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scientific name |
Ariopsis |
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Key to the species of Ariopsis View in CoL View at ENA
1a. Osseous medial groove of neurocranium absent ( Fig. 3 View FIGURE 3 a, c)....................................................2
1b. Osseous medial groove of neurocranium present ( Figs. 3 View FIGURE 3 b, d, e, f)...............................................4
2a. Mesethmoid median portion wide ( Fig. 1 View FIGURE 1 a), medial notch of mesethmoid large and shallow ( Fig. 3 View FIGURE 3 a)..................................................................................... A. guatemalensis View in CoL (Mexico to Costa Rica, EP)
2b. Mesethmoid median portion narrow ( Figs. 3 View FIGURE 3 b–e), medial notch of mesethmoid narrow and deep ( Figs. 3 View FIGURE 3 b–e).............3
3a. Total number of gill rakers on the first plus the second gill arches 31–36, rarely 37.................................................................................. A. assimilis View in CoL (Quintana Roo, Mexico to Honduras in the Caribbean)
3b. Total number of gill rakers on the first plus the second gill arches 38–44, rarely 36 or 37... A. canteri (Colombia, Caribbean)
4a. Total number of gill rakers on the first plus the second gill arches 40–42....................... A. gilberti View in CoL (Mexico, EP)
4b. Total number of gill rakers on the first plus the second gill arches 28–37.......................................... 5
5a. Fleshy medial groove of neurocranium conspicuous and very long, always surpassing the posterior margin of eyes ( Fig. 4 View FIGURE 4 ); pterotic lateral margin smoothly convex ( Fig. 3 View FIGURE 3 ).............................................................6
5b. Fleshy medial groove of neurocranium conspicuous or inconspicuous, but never surpassing posterior margin of eyes ( Fig. 4 View FIGURE 4 ); pterotic lateral margin markedly convex, sometimes angled ( Fig. 3 View FIGURE 3 ).............................................7
6a. 13–15 gill rakers on the first gill arch, rarely 16; fenestra delimited by mesethmoid and lateral ethmoid conspicuous ( Fig. 3 View FIGURE 3 ); external posterior branch of lateral ethmoid columnar and thin ( Fig. 3 View FIGURE 3 )................................................................................................ A. felis View in CoL (Massachusetts, US, to Yucatán, Mexican Caribbean)
6b. 15–17 gill rakers on the first gill arch; fenestra delimited by mesethmoid and lateral ethmoid inconspicuous ( Fig. 3 View FIGURE 3 ); external posterior branch of lateral ethmoid depressed and thick ( Fig. 3 View FIGURE 3 )....... A. jimenezi (Archipiélago de las Perlas, Panama, EP)
7a. Lateral margin of sphenotic notched, narrower medially than anteriorly ( Figs. 3 View FIGURE 3 and 19 View FIGURE 19 )................................................................................................... A. seemanni View in CoL (El Salvador to Panama, EP)
7b. Lateral margin of sphenotic straight, as wide medially as anteriorly ( Figs. 3 View FIGURE 3 and 21 View FIGURE 21 )...... A. simonsi View in CoL (Colombia to Peru, EP)
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.