| 1. | Adult males have cylindrical claspers that extend past the disc margin.
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| 2. | The pelvic fins are small; males have very long claspers.
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| 3. | The pelvic fins are small, with elongate claspers in males.
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| 4. | The pelvic fins are small, with short claspers in males.
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| 5. | Pelvic claspers have also been discovered in pyctodontid fossils suggesting homology.
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| 6. | Most applications of claspers use only C _ n-moves.
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| 7. | Adults have fully formed and calcified claspers and large and developed testes.
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| 8. | Males also had hook-shaped sex organs, known as claspers.
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| 9. | Furthermore, adult males have distinctively long and thin claspers.
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| 10. | The theory of claspers comes to provide such an interpretation.
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