Gnetales

Gnetales order
Scale 9 Diat: carbon-macromolecules , Hierachy 1
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Gnetales are an evolutionary step between cone-bearing conifers and modern flowering plants, displaying BOTH cones and flowers.

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Graphic by Ivy Rutskywww.amnh.org/
Gnetum is a genus of gymnosperms, the sole genus in the family Gnetaceae and order Gnetales. They are tropical evergreen trees, shrubs and lianas. Unlike other gymnosperms they possess vessel elementsin the xylem. Some species have been proposed to have been the first plants to be insect pollinated as their fossils occur in association with […] read more

Paleomattea

Paleomattea deliciosa
Scale 5 Diat: carbon-macromolecules , Hierachy 1
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The name of this shellfish means “ancient delicacy” and is derived from the Latin word deliciosa which means delicious.

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Graphic by AMNHwww.amnh.org/
Paleomattea is an extinct genus of prawn, containing the single species Paleomattea deliciosa.[1] The species is only known from the stomach contents of the fish Rhacolepis, which is referred to by the specific epithet deliciosa (“delicious”), and in the generic name, where mattea means “delicacy“.[2] (From Wikipedia, February 2015) read more

Beurlenia

Beurlenia genus
Scale 4 Diat: carbon-macromolecules , Hierachy 1
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This extinct shrimp is named after the German paleontologist Karl Beurlen (1901-1985), who studied fossils in Brazil.

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Graphic by AMNHwww.amnh.org/
Beurlenia araripensis is an extinct species of shrimp in its own genus, Beurlenia.[1] It is named after the German palaeontologist Karl Beurlen (1901–1985).[2] (From Wikipedia, February 2015) read more

Brachyphyllum

Brachyphyllum
Scale 9 Diat: carbon-macromolecules , Hierachy 1
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These coniferous trees lived all over the globe during the Jurassic and Cretaceous periods.

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Graphic by AMNHwww.amnh.org/
Brachyphyllum is an extinct genus of plants belonging to Araucariaceae. They were found around the globe during the Carboniferous to the Cretaceous period.[1] (From Wikipedia, February 2015) read more

Clam

Bivalvia class
Scale 5 Diat: carbon-macromolecules , Hierachy 2
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The organs of clams are surrounded by watery blood that contains nutrients and oxygen.

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Graphic by Raúl Martinwww.amnh.org/
“Clam” is an informal term used to refer to bivalve molluscs. They first appeared in Cambrian age rocks 510 million years ago. [1] They presently live in both freshwater and marine habitats, and range in adult size from nearly microscopic to the giant clam, which can weigh 200 kilograms (440 lbs). Some have life cycles […] read more

Ginkgo

Ginkgoopsida
Scale 9 Diat: carbon-macromolecules , Hierachy 1
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The fan-shaped leaves of this ancient ginkgo tree, now extinct, are similar to modern ginkgo leaves.

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Graphic by Kevmin (CC-BY-SA-2.0)www.amnh.org/
Ginkgo is a genus of highly unusual non-flowering plants. The scientific name is also used as the English name. The order to which it belongs, Ginkgoales, first appeared in the Permian,[4] 250 million years ago, possibly derived from “seed ferns” of the order Peltaspermales. The rate of evolution within the genus has been slow, and […] read more