discoidal
Example Sentences
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Posterior wings broad, semi-ovate, costal nervure long, sub-costal terminating in only two nervules, discoidal nervule nearly atrophied; discocellular the same, united with the third median nervule; cell rather large.
Physarella lusitanica Torrend is a globose form depressed above or betimes discoidal, occurring on Eucalyptus trees in Portugal.
From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by MacBride, Thomas H. (Thomas Huston)
We may also note the continuance of the genus Euomphalus, with its discoidal spiral shell.
From The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science by Nicholson, Henry Alleyne
Dr. Rex considered that the species differs from other related forms not only in color, but in the well-marked discoidal columella and the jet-black irregular stipe.
From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by MacBride, Thomas H. (Thomas Huston)
Placenta deciduate and dome-like, composed of an aggregation of numerous discoidal lobes.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various