File:Sponges - Hexactinellid - Hexactinellae - Haeckel.jpg

Summary
View large image for index to numbers. 1. Farrea Haeckelii (Franz Eilhard Schulze) = Farrea occa Bowerbank, 1862, habitus 2. Farrea Haeckelii (Franz Eilhard Schulze) = Farrea occa Bowerbank, 1862, mesh of skeleton 3. Euplectella aspergillum (Owen) = Euplectella aspergillum Owen, 1841, habitus 4. Euplectella aspergillum (Owen) = Euplectella aspergillum Owen, 1841, mesh of skeleton 5. Holtenia crateromorpha (Wyville Thompson) = Vazella sp.?, habitus 6. Sclerothamnus spiralis (Marshall) = Sclerothamnus sp.?, habitus 7. Sclerothamnus spiralis (Marshall) = Sclerothamnus sp.?, branch 8. Polyopogon amadu (Wyville Thompson) = Poliopogon amadou Thomson, 1873, cross-section 9. Pheronema rhaphanus (Franz Eilhard Schulze) = Pheronema raphanus Schulze, 1894, needle spicule 10. Hyalonema indicum (Franz Eilhard Schulze) = Hyalonema indicum Schulze, 1894, amphidiscus spicule 11. Hyalonema conus (Franz Eilhard Schulze) = Hyalonema conus Schulze, 1886, amphidiscus spicule 12. Regadrella phoenix (Oskar Schmidt) = Regadrella phoenix Schmidt, 1880, floricome spicule 13. Saccocalyx pedunculata (Franz Eilhard Schulze) = Saccocalyx pedunculatus Schulze, 1895, discohexaster spicule 14. Crateromorpha Meyeri (Gray) = Crateromorpha meyeri Gray, 1872, discohexaster spicule 15. Hyalostylus dives (Franz Eilhard Schulze) = Hyalostylus dives Schulze, 1886, hexaster spicule 16. Polylophus philippinensis (Gray) = Lophocalyx philippinensis (Gray, 1872), plumicome spicule 17. Stylocalyx tenera (Franz Eilhard Schulze) = Hyalonema tenerum Schulze, 1886, amphidiscus spicule Date: 1904 Source: Kunstformen der Natur (1904), plate 35: Hexactinellae (see here, here and here) Author: Ernst Haeckel (1834–1919) Permission: public domain due to age This image is in the public domain because its copyright has expired. This applies to Australia, the European Union and those countries with a copyright term of life of the author plus 70 years.