The evolution of larval morphology during the post-Paleozoic radiation of echinoids
Differences in morphology and life history traits of the echinoid
Echinometra lucunter from different habitats.
Sensitivity to light and the reactions to changes in light intensity of the echinoid
Diadema antillarum (Philippi).
Distribution and abundance of the echinoid
Diademasetosum (Echinodermata) on sediment-stressed coral reefs in Singapore.
13]C detected among the five echinoids
of two different biotopes may suggest that E.
Hal' Dixon (1941-2005) and the fossil echinoids
Some preliminary observations on the young forms of the Echinoid
, Diadema antillarum Philippi.
purpuratus in California, and increasingly frequently among other echinoid
species, during the last several decades (Ward and Lafferty, 2004).
It is Paleocene in age and associated with shallow marine environment due to abundance of coralline algae, gastropods, pelecypods, echinoid
fragments and other skeletal debris.
Sand dollar echinoids
, members of the order Clypeasteroida, first appeared in the fossil record of the Gulf of Mexico coastal plain in the early part of the Middle Eocene.
have played an important role in benthic marine communities since the Jurassic Period and are important to paleontologists given their sturdy skeletal structure, sediment-dwelling habits, widespread distribution, and considerable diversity.
Differencial survivorship, reproduction, growth and nutrient allocation in the regular echinoid
Lytechinus variegatus (Lamarck) fed natural diets.