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The following 24 pages are in this category, out of 24 total.
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Pages in category "Extant
Silurian first appearances"
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41:Category:Extant Ordovician first appearances
45:Category:Extant Devonian first appearances
57:This list may not reflect recent changes
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279:Extant Paleozoic first appearances
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274:Silurian first appearances
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39:See also the preceding
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117:Cylindroleberididae
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192:Osteichthyes
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112:Chondrostei
24:during the
268:Categories
75:Ammodiscus
255:Xiphosura
180:Myriapoda
175:Millipede
163:Lycophyte
158:Lucinidae
97:Centipede
221:Scorpion
80:Arachnid
92:Capulus
34:extinct
22:evolved
226:Shark
153:Leech
20:that
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250:X
233:V
211:S
199:P
187:O
170:M
148:L
136:E
124:D
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65:A
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