You ask about the skipping of the Zoea stage in fresh-water decapods: is this an illustration of acceleration?
"More Letters of Charles Darwin" by Charles Darwin
Decapods, Zoea stage of.
"More Letters of Charles Darwin Volume II" by Charles Darwin
An extinct genus of Decapod Crustaceans.
"The Ancient Life History of the Earth" by Henry Alleyne Nicholson
KEMP, S.: 1910, Notes on the Photophores of Decapod Crustacea.
"The Nature of Animal Light" by E. Newton Harvey
Other allied species are found on Hermit Crabs and other Decapods.
"The Life of Crustacea" by William Thomas Calman
There are two principal groups of Cephalopods, viz., the Decapods and the Octopods.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg
Think about the emerald green of the Posidonia shrimp, the sly appearance of small blennies, the elegance of the tiny prairie star Asterina gibbosa, and the complex ethology of small decapods such as Cestopagurus timidus, Munida spp.