Image: haeckel amphoridea

Amphoridea:
Placocystis crustacea (Haeckel) = Enoploura balanoides (Meek, 1872) (1a: from above, 1b: from below) (See Echinodermata)
Pleurocystis filitexta (Billings) = Pleurocystites filitextus Billings 1854 (2a: from above, 2b: from below) (See Pleurocystites)
Orocystis Helmhackeri (Barrande) = Orocystites helmhackeri (Barrande, 1887) (3b: single armour plate) (See Rhombifera)
Deutocystis modesta (Barrande) = Echinosphaerites sp., juvenile (See Echinosphaerites)
Citrocystis citrus (Haeckel) / Echinosphaera citrus (Kloeden) = Echinosphaerites kloedeni Jaekel 1899? (5b,5c: single armour plates) (See Echinosphaerites)
Acanthocystis briareus (Barrande) = Acanthocystites briareus Barrande, 1887 (See Gogiida)
Aristocystis bohemica (Barrande) = Aristocystites bohemicus Barrande, 1887, single armour plate (See Echinodermata)
Ophiothrix fragilis (J. Müller) = Ophiothrix fragilis (Abildgaard, 1789), juvenile (See Ophiothrix fragilis)
Pluteus bimaculatus (J. Müller) / Ophiura filiformis = Ophiuridae sp.?, pluteus larva (See Ophiuridae)
Plutellus aequituberculatus (J. Müller) / Echinocidaris aequituberculata = Arbacia lixula (Linnaeus, 1758), pluteus larva (See Arbacia lixula)
Bipinnaria asterigera (J. Müller) / Luidia sarsi = Luidia sarsi Düben & Koren, 1845, bipinnaria larva (See Luidia sarsi)
Auricularia nudibranchiata (Chun) = Protankyra brychia (Verrill, 1885), auricularia larva (See Protankyra brychia)
- 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.)