. Bonner zoologische Monographien. Zoology. proximal arch distal embayment - distal arch PRM ventral projection distal ridge distal arch. posterior ridge proximal ridge proximal arch FSc2. 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