By
Korschelt, E. (Eugen), b. 1858
/
Heider, K. (Karl), 1856-1935
/
Mark, E. L. (Edward Laurens), 1847-1946
/
Woodworth, William McMichael, 1864-1912
/
Bernard, Matilda
and 1 more
.
Genre
Invertebrates
/
Embryology
.
Names
called
/
animal
/
annelida
/
ctenophora
/
life
and 4510 more