| Proto-Altano-Cendrigian |
| Proto-Cendrigian |
| Ancient Valic † |
| Old Valmoric † |
| Middle Valmoric † |
|
Southern Valmoric
|
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Northern Valmoric
|
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Coastal Valmoric †
|
|
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| Early Valgitic |
|
Modern Valgitic
|
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Andalo-Valgitic
|
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| Lycian † |
| Old Andalic |
|
|
| Old Merognian |
|
Low Merognian
|
|
|
Londassian
|
|
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High Merognian
|
|
|
|
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Londassic Lycian
|
|
|
|
|
|
| Hiberno-'' '' |
|
|
|
|
| Proto-Altanic |
| Insular |
|
Brythonish
|
|
|
Cornish
|
|
|
Pictish †
|
|
|
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| Continental |
|
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