Template:Romers gap

Romer's gap

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Permian

Devonian

C
a
r
b
o
n
i
f
e
r
o
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s

M
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s
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p
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P
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R
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G
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9

10

15

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12

1

2

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7

8

11

6

16

17

18

19

4

5

Paleozoic

Axis scale: millions of years ago.

Known fossil ranges.
Ghost lineages.

1: "Anthracosauria" 2: Temnospondyli 3: "Microsauria" 4: Seymouriamorpha 5: Diadectidae 6: Nectridea 7: Aistopoda 8: Amniota 9: Baphetidae 10: Colosteidae 11: Gephyrostegidae 12: Casineria 13: Crassigyrinus 14: Whatcheeriidae 15: Adelogyrinidae 16: Ventastega 17: Ichthyostega 18: Acanthostega 19: Tulerpeton

References: Smithson et al. (2012)^[1]

References

^ Smithson, T.R.; Wood, S.P.; Marshall, J.E.A. & Clack, J.A. (2012). "Earliest Carboniferous tetrapod and arthropod faunas from Scotland populate Romer's Gap". Proceedings of the National Academy of Sciences of the United States of America. 109 (12): 4532–4537. Bibcode:2012PNAS..109.4532S. doi:10.1073/pnas.1117332109. PMC 3311392. PMID 22393016.

[SWMC12-1] Smithson, T.R.; Wood, S.P.; Marshall, J.E.A. & Clack, J.A. (2012). "Earliest Carboniferous tetrapod and arthropod faunas from Scotland populate Romer's Gap". Proceedings of the National Academy of Sciences of the United States of America. 109 (12): 4532–4537. Bibcode:2012PNAS..109.4532S. doi:10.1073/pnas.1117332109. PMC 3311392. PMID 22393016.

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