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There are 30 species of Bucephalandra which have been discovered in Borneo and have been formally described by S.Y. Wong and P.C. Boyce. [3] [4] [5] Most of the species are found in Borneo. [3] Bucephalandra are usually found growing as dense mats over stones or rocks in streams or rivers in moist tropical forest. [3] [6]
The results of pioneering efforts to age dinosaur fossils using growth ring counts suggest that the longevity of the basal ceratopsian Psittacosaurus mongoliensis was 10 or 11 years. [5] The prosauropod Massospondylus carinatus 15 years of age, [ 6 ] the sauropods Lapparentosaurus and Narindasaurus 43 years, [ 7 ] the coelophysoid Megapnosaurus ...
Fasolasuchus is likely the largest known "rauisuchian", with an estimated length of 8 m (26 ft) [3] to 10 m (33 ft). [ 4 ] [ 5 ] This would make Fasolasuchus the largest terrestrial predator to have ever existed save for large theropods , surpassing the Cenozoic Barinasuchus , the "rauisuchian" counterpart Saurosuchus at 7 metres (23 ft), and ...
A study on the duration of Late Cretaceous megaherbivore dinosaur assemblage zones in the 100 m thick stratigraphic section exposed at Dinosaur Provincial Park (Alberta, Canada) is published by Eberth et al. (2023), who interpret their findings as indicating that the dinosaur assemblage zones in the studied section had duration time of ~600 ...
These papers utilized the compendium to track origination rates (the rate that new species appear or speciate) parallel to extinction rates in the context of geological stages or substages. [60] A review and re-analysis of Sepkoski's data by Bambach (2006) identified 18 distinct mass extinction intervals, including 4 large extinctions in the ...
The name Pseudosuchia was originally given to a group of superficially crocodile-like prehistoric reptiles from the Triassic period, but fell out of use in the late 20th century, especially after the name Crurotarsi was established in 1990 to label the clade (evolutionary grouping) of archosaurs encompassing most reptiles previously identified as pseudosuchians.
Sarcosuchus is a distant relative of living crocodilians, with fully grown individuals estimated to have reached up to 9 to 9.5 m (29.5 to 31.2 ft) in total length and 3.45 to 4.3 metric tons (3.80 to 4.74 short tons) in weight. [2] It had somewhat telescoped eyes and a long snout comprising 75% of the length of the skull.
Giraffatitan (name meaning "titanic giraffe") is a genus of sauropod dinosaur that lived during the late Jurassic Period (Kimmeridgian–Tithonian stages) in what is now Lindi Region, Tanzania. Only one species is known, G. brancai , named in honor of German paleontologist Wilhelm von Branca , who was a driving force behind the expedition that ...