Actinomma arcadophorum Haeckel, 1887 (original description)
Amphiplecta acrostoma Haeckel, 1887 (original description)
Amphirhopalum ypsilon Haeckel, 1887 (original description)
Astrosphaera hexagonalis Haeckel, 1887 (original description)
Axoprunum Haeckel, 1887 (original description)
Axoprunum stauraxonium Haeckel, 1887 (original description)
Botryopyle dictyocephalus Haeckel, 1887 (original description)
Buccinosphaera invaginata Haeckel, 1887 (original description)
Callimitra carolotae Haeckel, 1887 (original description)
Carpocanarium Haeckel, 1887 (original description)
Cenosphaera cristata Haeckel, 1887 (original description)
Cenosphaera favosa Haeckel, 1887 (original description)
Centrocubus cladostylus Haeckel, 1887 (original description)
Cladococcus abietinus Haeckel, 1887 (original description)
Cladoscenium ancoratum Haeckel, 1887 (original description)
Clathrocorys teuscheri Haeckel, 1887 (original description)
Clathrocyclas cassiopeiae Haeckel, 1887 (original description)
Collosphaera polygona Haeckel, 1887 (original description)
Collosphaera tuberosa Haeckel, 1887 (original description)
Corocalyptra Haeckel, 1887 (original description)
Cromyechinus icosacanthus Haeckel, 1887 (original description)
Cyrtolagena laguncula Haeckel, 1887 (original description)
Cyrtopera laguncula Haeckel, 1887 accepted as Cyrtolagena laguncula Haeckel, 1887 (original description)
Dictyoceras mellitta Haeckel, 1887 accepted as Lipmanella bombus Haeckel, 1887 (original description)
Enneaphormis rotula Haeckel, 1887 (original description)
Eucyrtidium hexagonatum Haeckel, 1887 (original description)
Eucyrtidium hexastichum Haeckel, 1887 (original description)
Heliodiscus asteriscus Haeckel, 1887 (original description)
Hexacontium laevigatum Haeckel, 1887 (original description)
Hexalonche amphisiphon Haeckel, 1887 (original description)
Hexalonche aristarchi Haeckel, 1887 accepted as Hexacontium aristarchi (Haeckel) Boltovskoy & Riedel, 1980 (original description)
Lamprocyclas maritalis Haeckel, 1887 (original description)
Lampromitra coronata Haeckel, 1887 (original description)
Lampromitra quadricuspis Haeckel, 1887 (original description)
Larcospira Haeckel, 1887 (original description)
Larcospira quadrangula Haeckel, 1887 (original description)
Lipmanella bombus Haeckel, 1887 (original description)
Lithostrobus hexagonalis Haeckel, 1887 (original description)
Nephrospyris renilla Haeckel, 1887 (original description)
Octodendron cubocentron Haeckel, 1887 (original description)
Octopyle stenozona Haeckel, 1887 (original description)
Peripyramis circumtexta Haeckel, 1887 (original description)
Peromelissa phalacra Haeckel, 1887 (original description)
Phaeogromida (original description)
Plectopyramis dodecomma Haeckel, 1887 (original description)
Plegmosphaera entodictyon Haeckel, 1887 (original description)
Plegmosphaera pachyplegma Haeckel, 1887 (original description)
Pseudocubus obeliscus Haeckel, 1887 (original description)
Pterocorys hirundo Haeckel, 1887 accepted as Dictyophimus hirundo (Haeckel) Petrushevskaya, 1975 (original description)
Pteroscenium pinnatum Haeckel, 1887 (original description)
Pylolena armata Haeckel, 1887 (original description)
Pylospira Haeckel, 1887 (original description)
Pylospira octopyle Haeckel, 1887 (original description)
Saturnalis circularis Haeckel, 1887 (original description)
Sethoconus tabulatus Haeckel, 1887 (original description)
Sethophormis aurelia Haeckel, 1887 (original description)
Sethophormis rotula Haeckel, 1887 accepted as Enneaphormis rotula Haeckel, 1887 (original description)
Siphonosphaera polysiphonia Haeckel, 1887 (original description)
Spirocyrtis scalaris Haeckel, 1887 (original description)
Spongoplegma antarcticum Haeckel, 1887 accepted as Actinomma antarcticum (Haeckel) Nigrini, 1967 (original description)
Stichopilium bicorne Haeckel, 1887 (original description)
Stylochlamydium Haeckel, 1887 (original description)
Stylochlamydium asteriscus Haeckel, 1887 (original description)
Stylosphaera melpomene Haeckel, 1887 (original description)
Styptosphaera Haeckel, 1887 (original description)
Styptosphaera spumacea Haeckel, 1887 (original description)
Tetraplecta pinigera Haeckel, 1887 (original description)
Theocalyptra Haeckel, 1887 (original description)
Theocorys veneris Haeckel, 1887 (original description)
Theocorythium Haeckel, 1887 (original description)
Theophormis callipilium Haeckel, 1887 accepted as Sethophormis aurelia Haeckel, 1887 (original description)
Theopilium tricostatum Haeckel, 1887 (original description)
Tholospyris ramosa Haeckel, 1887 (original description)
Tholospyris tripodiscus Haeckel, 1887 (original description)
Tribonosphaera centripetalis Haeckel, 1887 (original description)
Tricolocampe cylindrica Haeckel, 1887 (original description)

 Dimensions

 for Acanthostaurus pallidus (Claparède & Lachmann, 1858) Haeckel, 1862

Length of the four main spines 0.12 to 0.2, of the sixteen others 0.04 to 0.08; breadth of the former 0.01, of the ... [details]

 Distribution

 for Acanthonia echinoides (Claparède & Lachmann, 1858) Haeckel, 1881

North Atlantic, west coast of Norway (Claparède et Lachmann); Færöe Channel (Gulf Stream), John Murray, surface [details]

 Distribution

 for Acanthostaurus pallidus (Claparède & Lachmann, 1858) Haeckel, 1862

North Atlantic, west coast of Norway, Claparède; Færöe Channel, John Murray [details]