These spermatophores are somewhat similar to those formed in certain pulmonate Gastropods.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6" by Various
The forms of more ordinary Gastropods from the Silurian represented in Fig.
"The Chain of Life in Geological Time" by Sir J. William Dawson
In dextral Gastropods the only structure found on the topographically right side of the rectum is the genital duct.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5" by Various
I chanced to remark that I thought torsion in gastropods one of the most fascinating and difficult problems in Zoology.
"The Journal of a Disappointed Man" by Wilhelm Nero Pilate Barbellion
Pteropods, a suborder of the gastropods, appeared in this age.
"The Elements of Geology" by William Harmon Norton
Among the shell-forming marine Gastropods there is great variety in the size and shape and coloring of the shells.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg
Attendees were able to see the remnants of bivalves and gastropods as well as learn about the various aspects of each shell.
Eighteen garden slugs were killed in the early hours of Saturday morning in the most devastating attack on gastropod forces in almost nine months.
Seekers after extended mnemonics for the sequence of spectral types may wish to make use of longlived tortoises, for instance in the form, Ordovician Barnacles And Fossil Gastropods Killed My Long-lived Tortoise Yesterday.
Astrophysics in 2006