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Plant fossils are also sparse, with conifer shoots from a Cupressaceae member, plus several undescribed flowers from a fagalean angiosperm. [1] Of the inclusions found in Sayreville ambers, 34% are identified as dipterans, [4] while a 2001 paper notes that up to 20% of the inclusions found in New Jersey amber are of coccoid true bugs. [8]
Other uncommon colors include red amber (sometimes known as "cherry amber"), green amber, and even blue amber, which is rare and highly sought after. [ 43 ] Yellow amber is a hard fossil resin from evergreen trees, and despite the name it can be translucent, yellow, orange, or brown colored.
Fossils found in amber, particularly from the Baltic and Myanmar (Burma), have been assigned to a number of extant and extinct genera placed in the family Archaeidae. [5] The extinct species Burmesarchaea grimaldii (syn. Afrarchaea grimaldii) was found in Burmese amber dated to 88–95 Mya. [6]
The discovery comes from a fossil of an ancient firefly species that was initially discovered in 2016, trapped in 99 million-year-old Burmese amber from northern Myanmar. The beetle is only the ...
It is known for being one of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions. A mostly complete list of all taxa described up to the end of 2023 can be found in Ross (2024). [1]
The age of the amber has been controversial. A study in the early 1990s returned a date up to 40 million years old. [2] However, other authors have suggested a date in the Miocene, around 20–15 million years old, based on marine microfossils found in the sediment the amber is contained in. [3]
Several genera have been described on the basis of these inclusions in resin from the fossil Hymenaea protera tree and the many fossils found in the amber provided a unique insight in the paleobiology of the Caribbean of the time. Of the 82 genera of spiders in Dominican amber, one third are extinct and about thirty percent are congeneric with ...
The largest amber deposit on Earth, this amber is part of the Prussian Formation, and preserves a high diversity of exceptionally well-preserved fossil invertebrates, plants, and small vertebrates that inhabited eastern Europe during the warmer, subtropical conditions of the middle Eocene. It is the largest world's single largest repository of ...