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The shell of the brachiopod, Lingula Lewisii.

Brachiopod

The shell of the brachiopod, Lingula Lewisii.

"Palaeozoic Brachiopods. 1. Lingula Lewisii (Silurian). 2. Obolus Aollinis (Silurian). 3. Leptaena transversalis (Silurian). 4. Orthis elegantula (Silurian). 5. Orthis striatula (Devonian). 6. Stophomena depressa (Silurian). 7. Atrypa reticularis (Silurian). 8. Pentamerus. 9. Spirifer striatus (Carb. Limestone). 10. Spirifer speciosus (Devon). 11. Spirifer trigonalis (Carb. Limestone)." -Taylor, 1904

Paleozoic Brachiopods

"Palaeozoic Brachiopods. 1. Lingula Lewisii (Silurian). 2. Obolus Aollinis (Silurian). 3. Leptaena transversalis…