Legality of Cannabis by U.S. Jurisdiction Subcategories This category has only the following subcategory. C Carotenoids (2 C, 58 P) Pages in category "Tetraterpenes" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. TetraterpeneA AstaxanthinC Canthaxanthin Α-Carotene Β-Carotene Δ-Carotene Β-CryptoxanthinF FlavoxanthinP PhytoeneR Rhodoxanthin RubixanthinV ViolaxanthinZ Zeaxanthin