Pelycosaur (317 bytes)
1: ...e primitive reptiles of the [[Permian]] or late [[Paleozoic]], having a tall spinal sail as a distinctive cha...

Mississippi embayment (1515 bytes)
2: ...in regional [[geology|geologic]] structure with [[Paleozoic]] [[sedimentary]] rocks both to the east in [[Ken...
4: ...ntic Ocean]] and [[Gulf of Mexico]] during late [[Paleozoic]] to early [[Mesozoic]] break-up of [[Pangea]] no...

Panthalassa (493 bytes)
1: ... the supercontinent [[Pangaea]] during the late [[Paleozoic]] era and the early [[Mesozoic]] era. It was brok...

Labyrinthodontia (562 bytes)
1: ...] that constituted the dominant animals of Late [[Paleozoic]] and Early [[Mesozoic]] times (about 350 to 210 ...

Mesozoic (2249 bytes)
12: | [[Paleozoic]]
17: It followed the [[Paleozoic]] Era and preceded the [[Cenozoic]] Era.

Phanerozoic (2488 bytes)
9: :[[Paleozoic]]<br>
15: ...e Phanerozoic is divided into three [[Era]]s -- [[Paleozoic]], [[Mesozoic]], and [[Cenozoic]]. In the older l...

Primordial sea (1099 bytes)
1: ...st land-based life forms (i.e. during the early [[Paleozoic]]).

Richat Structure (1225 bytes)
3: ...line]]) that has been laid bare by [[erosion]]. [[Paleozoic quartzite]]s form the resistant beds outlining th...

Orogeny (4124 bytes)
12: ...ell studied orogenic belt resulting from a late [[Paleozoic]] collision between [[North America]] and [[Afric...
20: ...]] is an orogenic belt that dates from the late [[Paleozoic]] [[Era]] and is most likely a continuation of th...
38: ..., [[Iberia]], and SW [[England]] early to mid - [[Paleozoic]] Era.

Ordovician (3836 bytes)
1: {{Paleozoic}}
3: ...six (seven in [[North America]]) periods of the [[Paleozoic]] [[era]]. The Ordovician follows the [[Cambrian]...
6: ...in other sources.This is the second period of the Paleozoic Era.

Sillimanite (1720 bytes)
1: ...g|thumb|Sillimanite: Biotite gneiss (Mesozoic and Paleozoic)]]

Green River (Tennessee) (1455 bytes)
1: ...row stream valleys that is largely underlain by [[Paleozoic]] [[limestone]]. The Green River rises about sev...

Kukalova-Peck (1681 bytes)
3: ...] [[Paleopterous]] insects, especially with the [[paleozoic]]s groups: [[Diaphanopteroidea]], [[Paleodictyop...

Proterozoic (1724 bytes)
4: ...y, the boundary between the Proterozoic and the [[Paleozoic]] was set at the base of the [[Cambrian]] period ...

Neogene (1564 bytes)
11: ... to the duration of 'periods' in the Mesozoic and Paleozoic Eras.

Boston Mountains (1479 bytes)
1: ...disturbed, flat lying [[sedimentary]] layers of [[Paleozoic]] age. The highest ridges and peaks are capped by...

Sherwin Range (1536 bytes)
5: ...ra Nevada. That is, this rock was formed in the [[Paleozoic]], and then was subsequently recrystallized and w...

St. Peter Sandstone (1747 bytes)
2: ...d]] in clear, shallow water near the shore of a [[Paleozoic]] sea and consists of fine-to-medium-size, well-r...

Brachiopod (9150 bytes)
25: ...ods are extremely common fossils throughout the [[Paleozoic]]. They were largely replaced by [[mollusk]]s in...
37: ..., and rapid evolution of brachiopods during the [[Paleozoic]] make them useful as [[index fossil]]s when corr...
82: ...iversity declined significantly at the end of the Paleozoic. Only five orders in three classes include forms ...

Red Rock Pass (1575 bytes)
3: ... through a [[Sill (geology)|sill]] of resistant [[Paleozoic]] [[shale]], [[limestone]], and [[dolomite]], and...

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