. Bonner zoologische Monographien. Zoology. : Lateral view of ptero- sphenoid of (A) Phoxinus cumberlandensis (KU 18934, mm SL) and (B) P. pho- xinus (CNUC uncat., A B mm TL). Scale bar = 1 mm. stefior portion of the bone bears a process in P. oreas, issykkulensis, tennesseensis, eos, neogaeus, brachyurus, phoxinus, and in the outgroups (TS 65[0]), although the process is absent in P. cumberlandensis and erythrogaster (TS 65[1]). The pterosphenoid's ventroposterior margin sutures with anterior edge of the parasphe- noid's ascending wing (). Variation in Phoxinus is pre


. Bonner zoologische Monographien. Zoology. : Lateral view of ptero- sphenoid of (A) Phoxinus cumberlandensis (KU 18934, mm SL) and (B) P. pho- xinus (CNUC uncat., A B mm TL). Scale bar = 1 mm. stefior portion of the bone bears a process in P. oreas, issykkulensis, tennesseensis, eos, neogaeus, brachyurus, phoxinus, and in the outgroups (TS 65[0]), although the process is absent in P. cumberlandensis and erythrogaster (TS 65[1]). The pterosphenoid's ventroposterior margin sutures with anterior edge of the parasphe- noid's ascending wing (). Variation in Phoxinus is present in the extent of the suture between the pterosphenoid and the ascending wing of the parasphenoid. In P. neo-. : Dorsal view of ptero- tic, parietal, epioccipital, and supraoccipital (A) Phoxinus tennesseensis (UT , mm SL) and (B) P. brachyurus (MCZ 3006, B mm SL). Scale bars = 1 mm. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig


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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectzoology