|
Icriodus alternatus subsp. helmsi
|
|
|
Day, Jed & Over, D. Jeffrey, 2002, Post-extinction survivor fauna from the lowermost Famennian of eastern North America, Acta Palaeontologica Polonica 47 (2), pp. 189-202
: 199
|
199 |
|
Icriodus alternatus subsp. alternatus
|
|
|
Day, Jed & Over, D. Jeffrey, 2002, Post-extinction survivor fauna from the lowermost Famennian of eastern North America, Acta Palaeontologica Polonica 47 (2), pp. 189-202
: 198
|
198 |
