ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The additional fin occupied the same position in all specimens, lying in a median vertical plane with its base set symmetrically between and slightly in front of the bases of the paired pelvic fins. Externally, it projected from the ventral surface to an extent which varied widely without relation ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/174935a0