-
Rudists are a
group of
extinct box-, tube- or ring-shaped
marine heterodont bivalves belonging to the
order Hippuritida that
arose during the Late Jur****ic...
-
Titanosarcolites is a
genus of
giant rudist bivalve from the Cretaceous. Its
fossils have been
found in Jamaica,
Southeastern Mexico and the
Southern US...
- plesiosaurs,
several groups of mammals,
ammonites (nautilus-like mollusks),
rudists (reef-building bivalves), and
various groups of
marine plankton. In all...
-
later successions included stromatoporoids, corals, algae, bryozoa, and
rudists (a form of
bivalve mollusc). The
extent of
organic reefs has
varied over...
- and seas were po****ted with now-extinct
marine reptiles, ammonites, and
rudists,
while dinosaurs continued to
dominate on land. The
world was
largely ice-free...
- feed on detritus.
Coccolithophorids and
mollusks (including ammonites,
rudists,
freshwater snails, and mussels), and
those organisms whose food chain...
-
Ordovician period, 488 to 443
million years ago. One
bivalve group, the
rudists,
became major reef-builders in the Cretaceous, but
became extinct in the...
- decline. More
modern teleost fish
begin to appear. Ammonoids, belemnites,
rudist bivalves, sea
urchins and
sponges all common. Many new
types of dinosaurs...
- of
higher energy and rare
bivalve patch reefs, such as
Chondrodonta and
Rudists,
which are
found throughout the
entire unit. The
lower section, referred...
-
genus diversity experienced a
gradual increase throughout the period.
Rudists, the
dominant reef-building
organisms of the Cretaceous,
first appeared...
