Image: haeckel ophiodea 70

Ophiodea:
Astrophyton darwinium = Gorgonocephalidae sp., bottom view
Astrophyton darwinium = Gorgonocephalidae sp., center without arms, top view
Ophiopholis japonica (Lyman) = Ophiopholis japonica Lyman, 1879[1], center without arms, partial top view
Ophiotholia supplicans (Lyman) = Ophiotholia supplicans Lyman, 1880[2], lower center without arms, side view
Ophiohelus umbella (Lyman) = Ophiohelus umbella Lyman, 1880[3], skeleton of an arm section near the arm's end
Ophioglypha minuta (Lyman) = Aspidophiura minuta (Lyman, 1878)[4], center without arms, partial top view
Hemipholis cordifera (Lyman) = Hemipholis cordifera (Bosc, 1802)[5], mouth, bottom view
- 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.)