ملف:Haeckel Pennatulida.jpg

Enlarge image for index to numbers.

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