| Among early codiacrinids adaptive forms evolved initially through both neoteny and progenesis. |
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| This combination of characters is best interpreted as evolution through neoteny. |
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| The acquisition of sexual maturity by an animal while still in the larval stage is a process that goes under the name neoteny. |
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| In fact Neo, as he has been named, suffers from a condition known as neoteny, where juvenile characteristics, like gills, are retained into adulthood. |
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| Facultative neoteny also occurs in some species of true salamanders. |
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| But setting her calendar age to one side, Watson's neoteny affects more than her physical appearance, for she is enfolded in the diaphanous — yet profoundly real — swaths of her former status as a child star. |
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| Biologists terms this Peter Pan state neoteny. |
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| Most amphibians are aquatic only while young, but some amphibians with neoteny remain aquatic even as adults. |
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| In another example, it is postulated that the fossil Chaloneria evolved from its putative ancestor Sigillaria by neoteny and progenesis. |
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| Delayed maturation, neoteny, and social system differences in two manakins of the genus Chiroxiphia. |
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| These are the same features found in fish larvae, which suggests that during their evolution, bathypelagic fish have acquired these features through neoteny. |
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| Neoteny and progenesis as two heterochronic processes involved in paedomorphosis in Triturns alpestris. |
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| Neoteny and the urogenital system in the salamander Dicamptodon ensatus. |
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