| 11. | There is no dark opercular spot.
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| 12. | It has several features that distinguish it from other lophiids, in particular regarding its opercular bones.
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| 13. | The opercular plate and soft part morphology were re-described in detail by Poltarukha, 2006.
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| 14. | A unique characteristic is their elongated opercular flap, giving an appearance of a " long ear ".
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| 15. | Opercular status epilepticus usually occurs in children with atypical evolution or may be induced by carbamazepine or lamotrigine.
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| 16. | As the common name suggests, the upper jaw is extremely long, reaching nearly to the opercular opening.
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| 17. | The colour of the fins ranges from hyaline to lemon yellow, and no dark opercular spot is present.
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| 18. | The convergently evolved an opercular structure during the Early Cretaceous to Paleocene, also possess avicularia-like zooids.
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| 19. | Behind the opercular lobe the epipodium terminates in a prominent point, concave and papillose on its upper surface.
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| 20. | Along the belly are a series of spinous scutes & mdash; opercular bones are free of any spines or serrations.
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