The Paleozoic (/ˌpæli.əˈzoʊ.ɪk, -i.oʊ-, ˌpeɪ-/ PAL-ee-ə-ZOH-ik, -⁠ee-oh-, PAY-; or Palaeozoic) Era is the first of three geological eras of the Phanerozoic...

The late Paleozoic icehouse, also known as the Late Paleozoic Ice Age (LPIA) and formerly known as the Karoo ice age, was an ice age that began in the...

(/ˌkɑːrbəˈnɪfərəs/ KAR-bə-NIF-ər-əs) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period 358.9...

91°W / 43.5; -91The Driftless Area, also known as Bluff Country and the Paleozoic Plateau, is a topographical and cultural region in the Midwestern United...

ən, dɛ-/ də-VOH-nee-ən, deh-) is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.3 million years from the end...

beginning of the Triassic Period 251.902 Mya. It is the last period of the Paleozoic Era; the following Triassic Period belongs to the Mesozoic Era. The concept...

Monoplacophora, inarticulate brachiopods and hyoliths. Fauna II, known as "Paleozoic", described as a "Brachiopod-rich assemblage", accounts for most of the...

Beetles are insects that form the order Coleoptera (/koʊliːˈɒptərə/), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases...

-⁠VISH-ən) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian...

Devonian Period, 419.2 Mya. The Silurian is the shortest period of the Paleozoic Era. As with other geologic periods, the rock beds that define the period's...

ən, ˈkeɪm-/ KAM-bree-ən, KAYM-) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted 53.4 million years from...

Mesozoic is the middle of the three eras since complex life evolved: the Paleozoic, the Mesozoic, and the Cenozoic. The era began in the wake of the Permian–Triassic...

oldest range of mountains in the country, originating from the end of the Paleozoic Era around 300 million years ago. Their geological composition includes...

†Cephalaspidomorphi Infraphylum Gnathostomata (jawed vertebrates) Class †Placodermi (Paleozoic armoured forms; paraphyletic in relation to all other gnathostomes) Class...

Pacific and Iapetus margins of Gondwana during the Neoproterozoic and Paleozoic". Earth-Science Reviews. 69 (3–4): 249–279. Bibcode:2005ESRv...69..249C...

Cambrian as small filter feeders; they continued to evolve through the Paleozoic, diversifying into many forms. The earliest fish with dedicated respiratory...

pasture land. The Central Lowlands is a rift valley mainly comprising Paleozoic formations. Many of these sediments have economic significance for it...

assembly of Gondwana was a protracted process during the Neoproterozoic and Paleozoic, which remains incompletely understood because of the lack of paleo-magnetic...

divided into three eras: the Paleozoic, Mesozoic and Cenozoic, which are further subdivided into 12 periods. The Paleozoic features the evolution of the...

The Paleozoic Museum was a proposed museum of natural history in Manhattan near Central Park. Planning and initial construction for the museum proceeded...

Late Paleozoic group of small forms, likely more closely related to amniotes than Lissamphibia) Subclass Temnospondyli† (diverse Late Paleozoic and early...

unclear. Fossilized insects of enormous size have been found from the Paleozoic Era, including giant dragonfly-like insects with wingspans of 55 to 70 cm...

and Pensacola Mountains. Antarctica became glaciated during the Late Paleozoic icehouse beginning at the end of the Devonian period (360 Ma), though...

sedimentary argillite, dating back to 1.7 billion years ago. During the Paleozoic, western North America lay underneath a shallow sea, which deposited many...

ended the state of emergency in May 2023. During the early part of the Paleozoic Era, the area that would one day become Illinois was submerged beneath...

regarding its nature and origin. There are two principal facies of lower Paleozoic rocks in Nevada. In the eastern part of the state, a north-trending fossil-rich...

of Precambrian igneous and metamorphic rocks surrounded by outcrops of Paleozoic and Cretaceous sedimentary strata. At their widest, the exposed Precambrian...

area of Montgomery County, Virginia. During the earliest part of the Paleozoic, the continent that would later become North America straddled the equator...

from the Cenozoic, three from the Mesozoic, and at least seven from the Paleozoic. The 410-million-year-old Eophalangium sheari is known from two specimens...

topographical sets and natural landscapes. During the Hercynian uplift in the Paleozoic Era, the Armorican Massif, the Massif Central, the Morvan, the Vosges...