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Fossil species appear to persist morphologically unchanged for long intervals of geologic time, punctuated by short bursts of rapid change as explained by the Ecological Evolutionary Units (EEUs). Here, morphological variation in Paleozoic atrypide morphology at the subfamily level (Atrypinae and Variatrypinae) from the Silurian and Devonian time intervals in the third Paleozoic EEU (~444-359 my) were investigated using relatively new techniques of quantitative modeling. The study explains how a group of closely related taxa in atrypide subfamilies exhibit morphological conservation through time in P3 EEU within the Eastern North America region.

Geology --- Earth & Environmental Sciences --- Paleontology --- Paleobiology. --- Brachiopoda. --- Brachiopods --- Lamp shells --- Lampshells --- Shells, Lamp --- Palaeobiology --- Earth sciences. --- Paleontology. --- Geobiology. --- Conservation biology. --- Ecology. --- Earth Sciences. --- Conservation Biology/Ecology. --- Biogeosciences. --- Bivalve coelomates --- Coelomates, Bivalve --- Bilateria --- Marine invertebrates --- Biology --- Paleontology . --- Ecology --- Nature conservation --- Fossilogy --- Fossilology --- Palaeontology --- Paleontology, Zoological --- Paleozoology --- Historical geology --- Zoology --- Fossils --- Prehistoric animals in motion pictures --- Ecology . --- Earth sciences --- Biosphere --- Balance of nature --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology

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Increasing rate of species extinction in the present day will lead to a huge biodiversity crisis; eventually, this will lead to the paucity of non-renewable resources of energy making our Earth unsustainable in future. To save our mother planet from this crisis, studies need to be performed to discover abundant new fossil sites on Earth for continued access to oil-rich locations. Most importantly, a holistic approach is necessary in solving the present problem of biodiversity loss. This book presents newly developed quantitative models in understanding the biodiversity, evolution and ecology of extinct organisms. This will assist future earth scientists in understanding the natural and anthropogenic causes behind biodiversity crisis and ecosystem collapse. In addition, this study can be of great interest to exploration geologists and geophysicists in potentially unraveling natural resources from our sustainable Earth.

Brachiopoda -- Evolution. --- Brachiopoda, Fossil. --- Endangered species. --- Wildlife conservation. --- Atrypidae --- Brachiopoda, Fossil --- Brachiopoda --- Paleontology --- Biology --- Geology --- Health & Biological Sciences --- Earth & Environmental Sciences --- Biology - General --- Paleozoology --- Evolution --- Evolution. --- Brachiopods --- Lamp shells --- Lampshells --- Shells, Lamp --- Earth sciences. --- Paleontology. --- Geobiology. --- Earth Sciences. --- Biogeosciences. --- Animal Systematics/Taxonomy/Biogeography. --- Bilateria, Fossil --- Marine invertebrates, Fossil --- Bivalve coelomates --- Coelomates, Bivalve --- Bilateria --- Marine invertebrates --- Paleontology . --- Fossilogy --- Fossilology --- Palaeontology --- Paleontology, Zoological --- Historical geology --- Zoology --- Fossils --- Prehistoric animals in motion pictures --- Animal systematics. --- Animal taxonomy. --- Animal classification --- Animal systematics --- Animal taxonomy --- Classification --- Systematic zoology --- Systematics (Zoology) --- Taxonomy, Animal --- Zoological classification --- Zoological systematics --- Zoological taxonomy --- Earth sciences --- Biosphere --- Animals