Did you know ...
extinct spider is the oldest described genus of Eoplectreurys Haplogynae, predating spiders from Cretaceous amber in Jordan and Lebanon?
Cretaceous terrestrial crocodilian is known from five distinct species, two from Araripesuchus Africa and the other three from South America?
ant-like stone beetle , found in Kachinus Cretaceous amber, is similar in appearance to the modern genus Paraneseuthia?
rove beetle genus is known from 15 beetles trapped in Ektatotricha Cretaceous amber from Myanmar?
, a Oryctodromeus genus of small herbivorous dinosaur from the mid Cretaceous of Montana, is the first dinosaur described as making burrows?
Cretaceous mammal is known only from a blade-like tooth with eight cusps arranged in a row?
Cretaceous Malagasy mammal is most closely related to a species from Lavanify India?
in Poricy Park New Jersey is known for allowing limited collecting at its Cretaceous-era fossil shell beds?
could have walked to Polar dinosaurs Australia, because during the early Cretaceous the continent of Australia was still linked to Antarctica?
, a broken UA 8699 molar from the Cretaceous of Madagascar, may be a fragment of the only Mesozoic marsupial from the southern continents?
may have been the largest Repenomamus mammal in the Cretaceous period and is the only mammal known to have eaten non-avian dinosaurs?
is one of five species of mammals recognized among seven Trapalcotherium matuastensis fossil teeth from the Cretaceous Allen Formation of Argentina?
, an island fragment of the sunken continent New Caledonia Zealandia since the Cretaceous, and home to the Kagu (pictured), has been likened to a "Jurassic Park"?
More interesting facts on Cretaceous
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Question 1: As is the case today, photosynthesizing organisms, such as phytoplankton and land plants, formed the primary part of the ________ in the late Cretaceous.
Question 2: In the seas, rays, modern ________ and teleosts became common.
Question 3: At the end of the Cretaceous there seem to have been no purely herbivorous or ________ mammals.
Question 4: The first radiation of the diatoms (generally siliceous, rather than calcareous) in the oceans occurred during the Cretaceous; freshwater diatoms did not appear until the ________.
Question 5: ________ were common in the early and middle Cretaceous, but as the Cretaceous proceeded they faced growing competition from the adaptive radiation of birds, and by the end of the period only two highly specialized families remained.
Question 7: The Liaoning lagerstätte ( ________) in China provides a glimpse of life in the Early Cretaceous, where preserved remains of numerous types of small dinosaurs, birds, and mammals have been found.
Question 8: This trend was due to intense [8 ] volcanic activity which produced large quantities of ________.
Question 9: This is evidenced by widespread black shale deposition and frequent ________.
Question 10: The Cretaceous ended with one of the largest mass extinctions in ________, the K-T extinction, when many species, including the dinosaurs, pterosaurs, and large marine reptiles, disappeared.