Lower Middle Devonian species of the tetracoral genus Hexagonaria of east-central North America.
Series: Contributions from the Museum of Paleontology,; v. 7, no. 2
Publisher: Univ. of Michigan Press
Published: 1948
Place of publication: Ann Arbor
Language: eng
Number of pages: 49
Subjects: Hexagonaria
Notes: "Literature cited": p. 33-34.
Cover title.