Image: haeckel pennatulida

Pennatulida:
Umbellula encrinus (Linné) = Umbellula encrinus Linnaeus, 1758, stem and head of mature colony (1a: habitus of mature colony)
Stylatula Finmarchica (Sars) = Halipteris finmarchica (Sars, 1851), habitus of mature colony
Virgularia Leuckarti (Richiardi) = Kophobelemnon leukarti Kölliker, 1872, branch of a colony with 6 polyps
Renilla reniformis (Pallas) = Renilla reniformis (Pallas, 1766), habitus of mature colony
Renilla reniformis (Pallas) = Renilla reniformis (Pallas, 1766), founder polyp (first stage of colony)
Renilla reniformis (Pallas) = Renilla reniformis (Pallas, 1766), habitus of young colony (note founder polyp at apex)
Stylatula elegans (Dana) = Stylatula elegans (Danielssen, 1860), branch of a colony with 15 polyps
Stylatula Kinbergii (Kölliker) = Stylatula kinbergi Kölliker, 1870, section of a colony with polyps
Virgularia glacialis (Sars) = Virgularia glacialis Kölliker, 1870, branch of a colony with 9 polyps
Virgularia Rumphii (Kölliker) = Virgularia rumphi Kölliker, 1870, section of a colony with 8 polyps
Virgularia mirabilis (Lamarck) = Virgularia mirabilis (Müller, 1776), section of a colony with 7 polyps
Pennatula spinosa (Ellis) = Pteroeides spinosum (Ellis, 1764), habitus of mature colony
- 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.)