Subfamily
Mucrospiriferinae Boucot, 1959
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 160-42 | Mucrospirifer muralis | Spirifer muralis Verneuil | Upper Devonian | ||||
| TUG 160-43 | Mucrospirifer muralis | Spirifer muralis Verneuil | Upper Devonian | ||||
| TUG 160-44 | Upper Devonian | |||||
| TUG 160-45 | Upper Devonian | |||||
| TUG 160-46 | Upper Devonian | |||||
| TUG 160-47 | Upper Devonian | |||||
| TUG 160-48 | Upper Devonian | |||||
| TUG 160-49 | Upper Devonian | |||||
| TUG 160-50 | Upper Devonian | |||||
| TUG 160-51 | Upper Devonian |