. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 2. Post-temporal and supracleithrum: A. Argyropele- cus aculeatus; B. Maurolicus muelleri; C. Valenciennellus tripunctulatus; D. Polyipnus asteroides; E. Sfernopfyx pseud- obscura. Abbreviations: PT ^ post-temporal; SCL =: su- pracleithrum. of greatly reduced or vestigial ribs. In Maurolicus, the first arched haemal spine is somewhat flattened distally. Polyipnus and Argyropelecus show a marked broad- ening of the distal end of these anterior haemal spines, with an increase in length proceeding posteriorly. Ste
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 2. Post-temporal and supracleithrum: A. Argyropele- cus aculeatus; B. Maurolicus muelleri; C. Valenciennellus tripunctulatus; D. Polyipnus asteroides; E. Sfernopfyx pseud- obscura. Abbreviations: PT ^ post-temporal; SCL =: su- pracleithrum. of greatly reduced or vestigial ribs. In Maurolicus, the first arched haemal spine is somewhat flattened distally. Polyipnus and Argyropelecus show a marked broad- ening of the distal end of these anterior haemal spines, with an increase in length proceeding posteriorly. Stemoptyx has a shortened flat first haemal spine; however, the posterior spines are elongate and not characteristically flattened. The neural spines posteriorly are long, thin, and tapering in Maurolicus and Valenciennellus. As before, the stenio- ptychids show a broadened pattern vmlike the above gonostomatids. Fohjipnus and Argyropelecus are remarkably similar in this 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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