Taxon . | General morphology . | Keratin . | Lamellar granules . | Barrier location . | Lipid–keratin complex . | Facultative . |
---|---|---|---|---|---|---|
Amphibians | Unscaled, glandular and pliant | α, few layers | Absent | Superficial | No; cocoons? | Yes |
Reptiles | ||||||
Lepidosaurian | Scaled | α and β multiple layers | Present | Stratum corneum | Yes | Some spp. |
Other | Scaled | α and β multiple layers | Present | ? | ? | ? |
Birds | Scaled or sculptured with plumage | α and β multiple layers | Present | Stratum corneum | Yes | Some spp. |
Mammals | Scaled or sculptured with pelage | α, multiple layers | Present | Stratum corneum | Yes | Some spp. |
Taxon . | General morphology . | Keratin . | Lamellar granules . | Barrier location . | Lipid–keratin complex . | Facultative . |
---|---|---|---|---|---|---|
Amphibians | Unscaled, glandular and pliant | α, few layers | Absent | Superficial | No; cocoons? | Yes |
Reptiles | ||||||
Lepidosaurian | Scaled | α and β multiple layers | Present | Stratum corneum | Yes | Some spp. |
Other | Scaled | α and β multiple layers | Present | ? | ? | ? |
Birds | Scaled or sculptured with plumage | α and β multiple layers | Present | Stratum corneum | Yes | Some spp. |
Mammals | Scaled or sculptured with pelage | α, multiple layers | Present | Stratum corneum | Yes | Some spp. |