echinoderm Значение & определение

Примери за echinoderm

• Constituents also include grains present in any platform or basin environment, such as echinoderm fragments and diverse lithoclasts.

• Exceptions there are, notably with the echinoderms and some vertebrates, but these are rather brief and the great wealth of palaeontological data is largely overlooked.

• The mollusc and echinoderm debris are common and ubiquitous along the clinoform.

• After death and decay of ligaments, a loosely sutured echinoderm would be easily attacked by infaunal scavengers/predators.

• Medium-grained sandstones (protoquartzite) contain quite well-rounded quartz grains, quartzite lithoclasts, muscovite, plagioclase (rare) and bioclasts, especially echinoderm plates, cemented by calcite spar.

• Major events in the evolution of echinoderms viewed by the light of embryology.

• Another block includes shell fragments, echinoderm plates, thin-walled bivalves, iron-oxide-rich pellets, polyzoan fragments and small geopetals.

• On the morphology of the mitotic apparatus isolated from echinoderm eggs.