Horseshoe crabs and velvet worms : the story of the animals and plants that time has left behind /
by Richard Fortey.
- 1st American ed.
- New York : Alfred A. Knopf, 2012.
- xv, 332 p., [24] p. of plates : ill. (some col.) ; 25 cm.
"Originally published as Survivors in Great Britain by HarperPress, an imprint of HarperCollins Publishers, London." Includes index.