Това са думите examples, свързани с echinoderm. Щракнете върху която и да е дума, за да отидете на страницата с подробности за думата. Или, отидете на дефиницията на 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.
Our results indicate that though post-fertilisation peroxidase release is similar in echinoderms and amphibians, it has quite opposite effects.
In the echinoderms, peptides released from the jelly coat of eggs play a pivotal role as a signal for such changes.
The time to reach the peak is very short in echinoderms (0.4 s) but very long in mammals (10-30 min).
The more abundant skeletal grains (up to 15 % of the components) are echinoderms, bivalves and lituolids.
The identification of these two distinct body wall regions permitted the establishment of new homologies pertaining to all echinoderms.
Brachiopods are the volumetrically dominant component of the communities, whereas ostracodes, trilobites, echinoderms and conodonts are of much less importance.
