Haeckel's Sethocephalus eucecryphalus (Radiolaria)
Subtitle: a marine ciliate
By: by Charles Atwood Kofoid.
Series: University of California publications in zoology -- v. 9, no. 8.
Publisher: University of California Press
Published: 1912
Place of publication: Berkeley
Language: eng
Number of pages: 357
Subjects: Sethocephalus.
Notes: Cover title.

"Contribution from the Scripps institution for biological research."

"Literature cited": p. 357.