Image: Haeckel Thuroidea

Description: See here for index to image numbers Phyllophorus urna (Grube) = Phyllophorus urna Grube, 1840, adult Sporadipus botellus (Selenka) = Holothuria impatiens (Forskål, 1775), adult Synapta digitata = Labidoplax digitata (Montagu, 1815), young auriculata larva Synapta digitata = Labidoplax digitata (Montagu, 1815), older auriculata larva Synapta digitata = Labidoplax digitata (Montagu, 1815), young doliolaria larva Synapta digitata = Labidoplax digitata (Montagu, 1815), older doliolaria larva Synapta digitata = Labidoplax digitata (Montagu, 1815), young doliolaria larva in cross-section Stichopus Murrayi (Theel) = Mesothuria murrayi (Théel, 1886), spicule Myriotrochus Rinkii (Steenstrup) = Myriotrochus rinkii Steenstrup, 1851, spicule Caudina coriacea (Hutton) = Paracaudina chilensis (Müller, 1850), spicule Paelopatides aspera (Theel) = Galatheathuria aspera (Théel, 1886), spicule Elpinia rigida (Theel) = Elpidia rigida Théel, 1882, spicule Synapta aculeata (Theel) = Protankyra aculeata (Théel, 1886)?, spicule Synapta glabra (Semper) = Opheodesoma glabra (Semper, 1868), spicule Colochirus inornatus (Marenzeller) = Plesiocolochirus inornatus (von Marenzeller, 1881), spicule Stichopus Moebii (Semper) = Isostichopus badionotus (Selenka, 1867), spicule Chirodota venusta (Semon) = Trochodota venusta (Semon, 1887), spicule Chirodota venusta (Semon) = Trochodota venusta (Semon, 1887), spicule Cucumaria crucifera (Semper) = Trachasina crucifera (Semper, 1869), spicule Thelenota atra (Jaeger) = Holothuria atra Jaeger, 1833, spicule Arbacia pustulosa (Semon) = ?, spicule Stichopus Moebii (Semper) = Isostichopus badionotus (Selenka, 1867), spicule
Title: Haeckel Thuroidea
Credit: Kunstformen der Natur (1904), plate 50: Thuroidea (see here, here, here and here)
Author: Ernst Haeckel
Permission: public domain due to age
Usage Terms: Public domain
License: Public domain
Attribution Required?: No