Coccolith | plate-like calcareous component of haptophyte cell-covering, homologous with organic scale. {Huxley 1858} |
Heterococcolith | coccolith formed of crystal-units of complex shape. {Braarud et al. 1955a, 1955b} |
Holococcolith | coccolith formed of numerous minute (<0.1 µm) crystallites all of similar shape and size. {Braarud et al. 1955a, 1955b} |
Murolith | any heterococcolith with elevated rim but without well-developed shields. {Young 1992a} |
Nannolith | calcareous structure lacking the typical features of hetero- or holococcoliths and so of uncertain affinity. {?Perch-Nielsen 1985} |
Placolith | any heterococcolith with two or more well-developed shields. {Lohmann 1902} |
Planolith | any planar heterococcolith, rim not elevated. {Young 1992a} |
Calicalith | tube-shaped holococcolith, flaring, open distally. {Kleijne 1991} |
Calyptrolith | cap-shaped holococcolith. {Lohmann 1902} |
Crystallolith | planar holococcolith, rim weak. {Braarud et al. 1955a, 1955b} |
Flosculolith | flaring, tube-shaped holococcolith, with distal opening partially closed by a vaulted roof. {Kleijne et al. 1991} |
Fragariolith | holococcolith with simple basal ring and leaf like process. {Kleijne et al. 1991} |
Gliscolith | tube shaped holococcolith with bulbous distal part. {Norris 1985} |
Helladolith | tube-shaped holococcolith with bridge developed into leaf-like process. {Heimdal and Gaarder 1980} |
Laminolith | laminated disc-shaped holococcolith +/-pores. {Heimdal and Gaarder 1980} |
Zygolith | tube-shaped holococcolith with bridge. {Kamptner 1937} |
Ceratolith | horseshoe shaped nannolith of Ceratolithaceae. |
Discoaster | stellate nannolith of Discoasteraceae. |
Fasciculith | compact, top-shaped nannolith of Fasciculithaceae. |
Helicolith | coccolith with helical flange of Helicosphaeraceae. |
Heliolith | stellate nannolith with birefringent central-area , of Heliolithus (Palaeogene). |
Lepidolith | simple planolith, formed of two elements, of Gladiolithus. {Halldal and Markali 1955} |
Lopadolith | elevated murolith of Scyphosphaera. {Lohmann 1902} |
Osteolith | femur-shaped circum-flagellar coccolith of Ophiaster and Michaelsarsia. {Halldal and Markali 1955} |
Pentalith | stellate nannolith with 5 segments of Braarudosphaeraceae. {Gran and Braarud 1935} |
Protolith | murolith with non-imbricate rim of Stephanolithaceae, Parhabdolithaceae. {Bown 1987} |
Rhabdolith | planolith (+/- spine) of Rhabdosphaeraceae (also has been for spine bearing coccoliths in general). {Schmidt 1870} |
Scapholith | rhombic murolith of Calciosoleniaceae. {Deflandre and Fert 1954} |
Sphenolith | nannolith of Sphenolithaceae. {Deflandre 1952} |
[Areolith] | cap-shaped holococcolith with interior ridges and areolae. {Norris 1985} |
[Asterolith] | obsolete term for stellate nannoliths. {Sujkowski 1931} |
[Caneolith*] | endothecal murolith (+/- flanges) of Syracosphaeraceae. {Braarud et al. 1955a, 1955b}. |
[Cribrilith] | perforate murolith of Pontosphaeraceae; in effect a synonym of discolith and so superfluous. {Halldal and Markali 1955} |
[Cricolith*] | narrow-rimmed placolith of Pleurochrysidaceae. {Braarud et al. 1955a, 1955b} |
[Cyatholith] | obsolete, alternative to placolith. {Kamptner 1948} |
[Cyclolith] | obsolete, circular placolith. {Kamptner 1948} |
[Cyrtolith*] | exothecal planolith or inverted murolith of Syracosphaeraceae. {Braarud et al. 1955a, 1955b} |
[Discolith*] | murolith of Pontosphaeraceae (has also been used for muroliths in general). {Huxley 1868} |
[Heliolith] | heterococcolith with c-axes of main elements radial. {Deflandre 1950, Aubry 1984 et seq.} |
[Ortholith] | nannolith or holococcolith with c-axes of main elements tangential or parallel{Deflandre 1950; Aubry 1984 et seq.} |
[Pappolith*] | murolith of Papposphaeraceae. {Norris 1983} |
[Pentagolith] | Pentagonal coccolith with >5 elements, e.g. Goniolithus. These are so rare that the term is redundant. {Farinacci et al. 1971} |
[Porolith] | obsolete term for perforate element of Thoracosphaera. {Deflandre 1952} |
[Prismatolith] | obsolete term for imperforate element of Thoracosphaera. |
[Rhombolith] | alternative term for scapholith. {Halldal 1954} |
[Tremalith*] | vase-shaped murolith of Hymenomonadaceae. {Lohmann 1913} |