Image: haeckel tetracoralla

Tetracoralla:
Omphyma turbinata (Milne Edwards) = Omphyma turbinata (Linnaeus, 1761), polyp skeleton from the side
Cyathophyllum marmini (Milne Edwards) = Marisastrum marmini (Milne-Edwards & Haime, 1851), coral head in cross-section
Pachyphyllum devoniense (Milne Edwards) = Phillipsastrea devoniensis Milne-Edwards & Haime, 1851, coral head in cross-section
Goniophyllum pyramidale (Milne Edwards) = Goniophyllum pyramidale (Hisinger, 1831), polyp skeleton from above
Menophyllum tenuimarginum (Milne Edwards) = Menophyllum tenuimarginatum Milne-Edwards & Haime, 1850, polyp skeleton from above
Zaphrentis cornicula (Lesueur) = Zaphrentis phrygia Rafinesque & Clifford, 1820, polyp skeleton from the side with part of wall removed
Cyathophyllum expansum (d'Orbigny) (non Fisher, 1837: preoccupied) = Palaeosmilia murchisoni stutchburyi (Milne-Edwards & Haime, 1851), polyp skeleton from the side
Cyathaxonia cynodon (Rafinesque) = Cyathaxonia cynodon (Rafinesque & Clifford, 1820), polyp skeleton from the side with part of wall removed
Lithostrotion irregulare (Milne Edwards) = Siphonodendron irregulare (Philips, 1836), polyp skeleton in lengthwise section
Alveolites battersbyi (Milne Edwards) = Caliapora battersbyi (Huxley, 1851), polyp skeleton in lengthwise section
Hadrophyllum multiradiatum (Milne Edwards) = Hadrophyllidae?, polyp skeleton from above
Clisiophyllum turbinatum (James Thompson) = Dibunophyllum bipartitum turbinatum Thompson, 1874, polyp skeleton in cross-section
Acervularia ananas (Schweigger) = Acervularia ananas (Linnaeus, 1758), coral head from above
Syringophyllum organum (Milne Edwards) = Sarcinula organum Linnaeus, 1767, coral head from above
Cyathophyllum articulatum (Milne Edwards) = Entelophyllum articulatum (Wahlenberg, 1821), coral head from the side
- 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.)