Rieger, Reinhard M. 1988. Comparative ultrastructure and the Lobatocerebridae: keys to understanding the phylogenetic relationship of Annelida and the acoelomates. Microfauna Marina 4: 373-382.
67107
Rieger, R. M.
1988
Comparative ultrastructure and the Lobatocerebridae: keys to understanding the phylogenetic relationship of Annelida and the acoelomates