Belongs within: Tannuolinidae.
Contains: Craniidae.
The Craniiformea are a lineage of calcitic- or aragonitic-shelled, inarticulate brachiopods known from the Lower Cambrian to the present. The laminar secondary layers of the shell have a tabular structure.
<==Craniiformea
|--Craniida [Craniacea, Craniidina, Cranioidea, Gasteropegmata, Gastropegmata]HP95
| | i. s.: Angarella Asatkin 1932R65
| | `--*A. jaworowskii Asatkin 1932R65
| | Eleutherocrania von Huene 1899R65
| | `--*E. gibberosa von Huene 1899R65
| | Pseudometoptoma von Huene 1899R65
| | `--*P. siluricum (Eichwald 1842) [=Metoptoma siluricum]R65
| `--CraniidaePBH00
`--+--Craniopsidae [Craniopsida, Craniopsoidea]HP65
| |--Paracraniops Williams 1963PBH00, R65
| | `--*P. pararia (Williams 1962) [=Craniops pararia]R65
| `--+--Discinopsis Matthew in Hall & Clarke 1892PBH00, PH00a
| | `--*D. gulielmi (Matthew 1886) [=Acrotreta gulielmi]R65
| `--+--Craniops Hall 1859PBH00, R65 [=Pholidops Hall 1859R65]
| | |--*C. squamiformis (Hall 1843) [=Orbicula squamiformis, *Pholidops squamiformis]R65
| | |--C. hamiltoniae (Hall 1860)HB93
| | `--C. implicataW97 [=Pholidops implicataC01]
| `--+--Lingulapholis Schuchert 1913PBH00, R65
| | |--*L. terminalis (Hall 1859) [=Pholidops terminalis]R65
| | `--L. calceolaR65
| `--Pseudopholidops Bekker 1921PBH00, R65 [incl. Sanxiaella Rong & Chang in Chang 1981PH00a]
| |--*P. scutellata (Bekker 1921)R65 [=Pholidops scutellataPH00a]
| |--‘Paracraniops’ partibilis Rong 1979 [=*Sanxiaella partibilis]PH00a
| `--P. pusilla (Eichwald 1829)HB93
`--Trimerellida [Trimerellacea, Trimerelloidea]M03
|--Ussunia Nikitin & Popov 1984PBH00, PH00b [Ussuniidae]
| `--*U. incredibilis Nikitin & Popov 1984PH00b
`--+--Adensu Popov & Rukavishnikova 1986PBH00, PH00b [Adensuidae]
| `--*A. monstratum Popov & Rukavishnikova 1986PH00b
`--TrimerellidaeM03
| i. s.: Costitrimerella Rong & Li 1993PH00b
| `--*C. costellata Rong & Li 1993PH00b
| Gyroselenella Li 1985 [=Selenella Li 1984 non Hall & Clarke 1894]PH00b
| `--*G. circularis (Li 1984) [=*Selenella circularis]PH00b
|--Peritrimerella Liang 1983PBH00, PH00b
| `--*P. chunanensis Liang 1983PH00b
|--Sinotrimerella Li & Han 1980PBH00, PH00b
| `--*S. jiangshanensis Li & Han 1980PH00b
|--Monomerella Billings 1871PBH00, R65
| |--*M. prisca Billings 1871R65
| |--M. greeniPH00b
| `--M. walmstedtiPH00b
|--+--Yidurella Zeng 1987PBH00, PH00b
| | `--*Y. yiduensis Zeng 1987PH00b
| `--+--Gasconsia Northrop 1939PBH00, M65
| | |--*G. schucherti Northrop 1939M65
| | `--G. worsleyiPH00b
| `--+--Eodinobolus Rowell 1963PBH00, R65
| | `--*E. magnificus (Billings 1871) [=Obelellina magnifica]PH00b
| `--+--Ovidiella Nikitin & Popov 1984PBH00, PH00b
| | `--*O. plana Nikitin & Popov 1984PH00b
| `--Palaeotrimerella Li & Han 1980PBH00, PH00b
| |--*P. orientalis Li & Han 1980PH00b
| `--P. superba Nikitin & Popov 1984HB93
`--+--Fengzuella Li & Han 1980PBH00, PH00b
| `--*F. zhejiangensis Li & Han 1980PH00b
|--Paradinobolus Li & Han 1980PBH00, PH00b
| `--*P. sinensis Li & Han 1980PH00b
|--Dinobolus Hall 1871PBH00, R65 [=Conradia Hall 1872 non Adams 1860R65]
| |--*D. conradi (Hall 1868) [=Obolus conradi, *Conradia conradi]R65
| `--D. davidsoniPH00b
`--+--Rhynobolus Hall 1871PBH00, R65 (see below for synonymy)
| `--*R. galtensis (Billings 1862) [=Obolus galtensis, *Obolellina galtensis]R65
`--Trimerella Billings 1862PBH00, M03 (see below for synonymy)
|--*T. grandis Billings 1862R65
|--T. acuminataPH00b
|--T. attenuata Gorjansky 1972M03
|--‘*Prosoponella’ jiangshanensis Li 1984PH00b
|--T. lindstroemi (Dall 1870)HB93 [=*Gotlandia lindstroemiR65]
|--T. ohioensis Meek 1871HB93
`--‘*Machaerocolella’ zhoujiashanensis Li & Han 1980PH00b
Rhynobolus Hall 1871PBH00, R65 [=Obolellina Billings 1871R65, Rhinobolus Hall & Clarke 1892 non Blackburn 1889R65]
Trimerella Billings 1862PBH00, M03 [incl. Gotlandia Dall 1870R65, Machaerocolella Li & Han 1980PH00b, Prosoponella Li 1984PH00b]
*Type species of generic name indicated
References
[C01] Chapman, F. 1901. On some fossils of Wenlock age from Mulde, near Klinteberg, Gotland; with notes by Prof. T. Rupert Jones and Dr. F. A. Bather. Annals and Magazine of Natural History, series 7, 7: 141–160, pl. 3.
[HB93] Harper, D. A. T., C. H. C. Brunton, L. R. M. Cocks, P. Copper, E. N. Doyle, A. L. Jeffrey, E. F. Owen, M. A. Parkes, L. E. Popov & C. D. Prosser. 1993. Brachiopoda. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 427–462. Chapman & Hall: London.
[HP95] Holmer, L. E., L. E. Popov, M. G. Bassett & J. Laurie. 1995. Phylogenetic analysis and ordinal classification of the Brachiopoda. Palaeontology 38: 713–741.
[M03] Modzalevskaya, T. L. 2003. Silurian and Devonian brachiopods from Severnaya Zemlya (Russian Arctic). Geodiversitas 25 (1): 73–107.
[M65] Moore, R. C. (ed.) 1965. Treatise on Invertebrate Paleontology pt H. Brachiopoda vol. 2. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas Press: Lawrence (Kansas).
[PBH00] Popov, L. E., M. G. Bassett & L. E. Holmer. 2000. Craniata. In: Kaesler, R. L. (ed.) Treatise on Invertebrate Paleontology pt H. Brachiopoda, Revised vol. 2. Linguliformea, Craniiformea, and Rhynchonelliformea (part) pp. 158–164. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).
[PH00a] Popov, L. E., & L. E. Holmer. 2000a. Craniopsida. In: Kaesler, R. L. (ed.) Treatise on Invertebrate Paleontology pt H. Brachiopoda, Revised vol. 2. Linguliformea, Craniiformea, and Rhynchonelliformea (part) pp. 164–168. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).
[PH00b] Popov, L. E., & L. E. Holmer. 2000b. Trimerellida. In: Kaesler, R. L. (ed.) Treatise on Invertebrate Paleontology pt H. Brachiopoda, Revised vol. 2. Linguliformea, Craniiformea, and Rhynchonelliformea (part) pp. 184–192. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).
[R65] Rowell, A. J. 1965. Inarticulata. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt H. Brachiopoda vol. 1 pp. H260–H296. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas Press: Lawrence (Kansas).
[W97] Williams, A. 1997. Shell structure. In: Kaesler, R. L. (ed.) Treatise on Invertebrate Paleontology pt H. Brachiopoda, Revised vol. 1. Introduction pp. 267–320. The Geological Society of America: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).