... it properly a new descriptive terminology of the internal skeletal structure is developed for some large-cephalis bearing nassellarians. Eight Cenozoic to recent nassellarians assigned to three genera, Gondwanaria, Lipmanella and Lithomelissa including four new species, are described using this new...

..., Paralectotype 2, PMO224.482/2, #slide 40 (M40/0 top), Vestfjord 1 February 1899, 0–200 m. fig. 6. Helotholus histricosa Jørgensen, 1905 . Original drawing of Jørgensen (1905 , pl. 16, fig. 87a). fig. 7. Lithomelissa hystrix Jørgensen, 1900 : a, lectotype, PMO224.484/1, slide #30 (M34/0 bottom), Vestfjord...

..., Botryopera ? daleki, Clathrocorys ? sugiyamai, Clathromitra lemi, Clathromitra ? fulgureanubes, Enneaphormis ? sp., Lamprocyrtis ? datureacornis, Lophocyrtis pallantae, Lithomelissa ? kozoi, Phormospyris loliguncula, Platybursa harpoi, Saccospyris victoria, Protoscenium pantarhei and Trisulcus halipleumon...

.... Sample 119-744A-10H-2, 60–62 cm. fig. 9 . Botryopera piperata ? Sample 120-751A-6H-1, 53–55 cm. Basal view: (A) focus on sieve plate; (B) focus on cephalic inner structure. fig. 10 . Lithomelissa celsagula n. sp. Sample 120-748B7H-4, 45–47 cm. Holotype, dorsal view: (A) focus on wing D; (B) focus...

... , Antarctissa ballista , Artostrobus semazen , Botryopera gibbera , Carpocanium ? uburex , Ceratocyrtis dolvenae , Cystophormis gargantua , Dendrospyris jobstae , Dictyophimus ? kiwi , Dictyophimus larus , Gondwanaria clarae , Lithomelissa vespa , Lophophaena leberu , Siphonosphaera abelmannae , Siphostichartus...

... synonymies cover all forms considered as belonging to the recently erected taxa. During the reinvestigation of samples from DSDP Hole 280A three new species were noted and are described herein. The new species are Dictyoprora nigriniae, Plannapus? aitai (Artostrobiiadae), and Lithomelissa? sakaii...

..., Spirocyrtis greeni (Artostrobiidae), Botryocella pauciperforata (Cannobotryidae), Carpocanopsis ballisticum (Carpocaniidae), Vertotholus doigi, V. edwardsi, V. mackayi (Neosciadiocapsidae), Lithomelissa lautouri, Velicucullus fragilis (Plagoniidae), Lamprocyclas particollis (Pterocorythidae), Artophormis...

... terminology is proposed for internal skeletal elements and external appendages. Emendations are proposed for the family Artostrobiidae and the genera Heliodiscus, Lithomelissa and Cyrtocapsa. Heliodiscus, Cyrtocapsa and Lychnocanium are established as senior synonyms of Astrophacus, Cyrtocapsella...

.... Lithomelissa setosa Jørgensen, 1900 : (a) frocus on thoracic pores, (b) focus on outline. Cleve slide # 23 (P40/2). fig. 11. Lithomelissa setosa Jørgensen, 1900 : (a) focus on thoracic pores, (b) focus on cephalic pores. Cleve slide # 23 (O35/2). fig. 12. Lithomelissa setosa Jørgensen, 1900 : (a) focus...

... and 9 Ma ( Stichocorys wolffii , Lithomelissa stigi , and Diartus hughesii ) (Appendix DR3). The piston core penetrated only 2.2 m of the nannofossil ooze of seismic layer 3. It is barren of siliceous microfossils. Seismic layer 3 dates to the late Oligocene, to nannofossil zone NP25 (23.4–27.2 Ma...

.... 8b slide VII; 5 , Lithomelissa hystrix Jørgensen, both on PMO 223.393/2; 6 , Lophophaena buetschlii (Haeckel), PMO 223.393/3; 7 , Peridium sp.; PMO 223.397/1; 8 , 9, Arachnocorallium calvata Petrushevskaya, both on PMO 223.393/1; 10 , Lophophaena sp., St. Ice 19 slide 7; 11...

... and the large pores surrounding it; and from Lithomelissa setosa Jørgensen, 1900 in the latter having an elongated cephalis and being considerably smaller. Genus Peridium Haeckel, 1887 Holotype . Plate 6 , figure 11A–B; sample 120-748B-5H-7, 45–47 cm (Early/Middle Miocene); ECO-096...