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The marine life of Ohio included crinoids, snails, cephalopods, brachiopods, and fishes. Trilobites were also present, but their fossils are rare. [4] By the Permian period the sea had left completely. Local bodies of water were then lakes and rivers rather than saltwater. [3] Southeastern Ohio was a swamp-covered coastal plain. [4]
The cephalopods have a long geological history, with the first nautiloids found in late Cambrian strata. [1]The class developed during the middle Cambrian, and underwent pulses of diversification during the Ordovician period [2] to become diverse and dominant in the Paleozoic and Mesozoic seas.
Interpretations by Engeser (1996–1998) suggests that nautiloids, and indeed cephalopods in general, should be split into two main clades: Palcephalopoda (including all the nautiloids except Orthocerida and Ascocerida) and Neocephalopoda (the rest of the cephalopods). Palcephalopoda is meant to correspond to groups which are closer to living ...
Narthecoceratidae is an extinct family of orthocone cephalopods who lived in marine environments in what is now North America during the Ordovician from 460.5—449 mya, existing for approximately [ 1 ]
The majority of cephalopods do not provide parental care to their offspring, except, for example, octopus, which helps this organism increase the survival rate of their offspring. [109] Marine species' life cycles are affected by various environmental conditions. [ 110 ]
Ohio skies are filled this time of year with hundreds of species of birds flying north for the summer.. The height of the spring migration — known as The Biggest Week in American Birding — is ...
Ohio gardeners officially have a new plant to add to their lineup. Here's how to get started growing. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
As of Sunday, 14,377 birds had been harvested during the Buckeye State's spring turkey season. That's 98 more than the same timeframe last year. Wild turkey hunters in Ohio this spring are on pace ...