The morphology and evolution of the Ambulacrum in the Echinodea Holectypoida
By: by Herbert L. Hawkins
Series: Philosophical transactions of the Royal Society of London. Series B -- vol. 209; Philosophical transactions of the Royal Society of London -- v. 209.
Publisher: Royal Society
Published: 1920
Place of publication: London
Language: eng
Number of pages: 480
Subjects: Sea urchins