Image: haeckel cirripedia

Cirripedia:
Lepas anatifera (Linné) = Lepas anatifera Linnaeus, 1758, habitus of adult
Lepas anatifera (Linné) = Lepas anatifera Linnaeus, 1758, adult with left half of shell removed
Conchoderma auritum (Olfers) = Conchoderma auritum (Linnaeus, 1758), group of adults on Coronula diadema shell
Pentalasmis vitrea (Leach) = Lepas fascicularis Ellis & Solander, 1786, adult without shell from below
Scalpellum eximium (Hoek) = Arcoscalpellum michelottianum (Seguenza, 1876), adult from the side
Scalpellum eximium (Hoek) = Arcoscalpellum michelottianum (Seguenza, 1876), adult from above
Scalpellum vitreum (Hoek) = Arcoscalpellum vitreum (Hoek, 1883), adult from the side
Scalpellum vitreum (Hoek) = Arcoscalpellum vitreum (Hoek, 1883), adult from above
Coronula diadema (Lamarck) = Coronula diadema (Linnaeus, 1767), shell from above
Coronula diadema (Lamarck) = Coronula diadema (Linnaeus, 1767), shell from the side
Coronula reginae (Darwin) = Coronula reginae Darwin, 1854, shell from above
Chthamalus antennatus (Darwin) = Chthamalus antennatus Darwin, 1854, adult from above
Catophragmus polymerus (Darwin) = Catomerus polymerus (Darwin, 1854), adult from above
Octomeris angulosa (Sowerby) = Octomeris angulosa Sowerby, 1825, adult from above
Sacculina carcini (Thompson) = Sacculina carcini Thompson, 1836, adult female parasitizing Carcinus maenas, showing externa and indicating network of interna
- from the book sets: Art Forms in Nature (Kunstformen der Natur) - by Ernst Haeckel (1899-1904).

- من صور كتب: النماذج الفنية في الطبيعة، لـ إرنيست هيكل (نشر ما بين 1899-1904 م.)