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"it seems a desperate case"
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"the single type clearly does not correspond to a Cyprinodon fish"
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a difficult case, because the single type, rather distinctive [Huber, J.H. 1998a. Miscellaneous Notes on some Systematic Difficulties Regarding old World Cyprinodonts. J. Amer. Killifish Assoc., 31 (1): 3-17, 28-32]
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R. xanthonotus A.trilineatum
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schreitmuelleri : Megalebias, Austrolebias
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"Cynolebias microphthalmus, that Costa sees as distinct, is still living not far …"
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Laciris pelagica, Aphanius apodus
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Pantanodon madagascariensis, Millerichthys robustus
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Rivulus: obscurus, ornatus
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no solution from the renewed study of the single type : it has been smashed for unknown reasons ; to solve that issue, only successful collections around Bouala {6.417N;15.583E}, in Central African Republic, are required, but this is a challenge : a remote place in highlands (1200 m altitude) with no primary forest
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A. escherichi/microphtalmum
"Seegers believes that it is a senior synonym of microphtalmum and Huber is cautious and does not find morphological differences with striatum"
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deltaensis, gularis, fallax, kribianus, schwoiseri
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Fundulopanchax: walkeri, spurrelli
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"however, only preserved juveniles are known and first attempts to re-collect the fish, there, did not succeed ; knowing the dynamisms of fish exporters in Lagos, active correspondence and money, at least, should be a spur to deliver a solution for this very special fish, probably primitive and a key to the understanding of the huge speciation in the Niger delta…"
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Epiplatys bifasciatus/spilargyreius
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"this case is also apparently simple like powelli ; recollections of the fish in the very limited area of Sierra Leone (Bonkorkon, west of Port Loko, Port Loko district) should allow to re-study the fish and disclose if the describers were right to erect a new name"
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Nothobranchius mkuziensis, orthonotus and rubroreticulatus
"...Wildekamp has proposed that the status needs a re-evaluation ; it may be a distinct species related to rachovii, anyhow clearly not a junior synonym of orthonotus as previously thought..."
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"... and the Angolan lampeyes : this case is an old one, since Poropanchax normani, and Lacustricola mediolateralis, Lacus. nigrolateralis, Lacus. (?) macrurus have never been collected live from their type localities and their descriptions are more than 50 years old..."
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Rivulus: holmiae, lanceolatus
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Aphyosemion: elegans, decorsei
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splendidum, batesii, kunzi
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Hylopanchax: silvestris, stictopleuron
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Epiplatys: nigricans,chevalieri
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A. ferranti, A. lujae, E. multifasciatus
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Pterolebias bokermanni, luelingi and the rediscovery of longipinnis
"the observed variations in morphology and colour pattern, began to suspect that there may be more than one species there"
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melantereon : Scriptaphyosemion vs. Epiplatys
"...renewed study of the material in Philadelphia museum would be the simple answer, easy if only the types were fully adult fish…"
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Lacustricola atripinna, bukobanus "...hypothesized to be a senior synonym from bukobanus, from Bukoba, also in Tanzania {1.333S;31.817E} ; a simple, but unavoidable comparative study of the types of the 2 taxa, both in Berlin Museum, is a prerequisite before in-depth live collections…"
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Fundulus kansae and zebrinus
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Aphyosemion exiguum, Epiplatys nyongensis
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blockii, panchax, siamensis, andamanicus
"...the taxonomic situation is indeed below standard ; most names have been described during the second half of the 19th century probably from colonial harbours (but without certainty) or from aquarium imports without precise origin (and often types are missing in addition..."
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" the issue for these Andean fishes that have been uplifted by 4000 meters with the upheaval of the South American Cordillera, some 30 million years ago is : speciation"
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Numerous names with missing types or undisclosed type material
"type material of many species have not been located..."
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