| 31. | The species is related to " Carodista gracilis ", but can be distinguished by the male genitalia.
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| 32. | They range in length from about in " Hymenogadus gracilis " to in " Albatrossia pectoralis ".
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| 33. | In particular, the peristome is wider than in " N . gracilis " and has scattered red bands.
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| 34. | It is known only from Lake Okeechobee in Florida, and is probably conspecific with " Philobdella gracilis ".
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| 35. | This hybrid has the growth habit of " N . gracilis ", with the stem scrambling along the ground.
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| 36. | It is thought that " S . gracilis " had an average body mass of around 2.1 kilograms.
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| 37. | This morphology unites the North American and European specimens of " Erpetosuchus " with " Parringtonia gracilis ".
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| 38. | The thigh adductors have their origins on the semitendinosus, gracilis reaches beyond the knee to their common insertion on the tibia.
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| 39. | This nudibranch is similar in appearance to " Flabellina gracilis " and many other " Flabellina " species.
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| 40. | It prefers substantially more solid substrates than the sand dunes occupied by its close relatives " P . gracilis ".
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