Species

Hemiphragma pygmaeum Bassler, 1911

Synonyymit
1911     Hemiphragma pygmaeum, new species — Bassler , pp. 289, fig. text fig. 176
1953     Hemiphragma pygmaeum Bassl. — Modzalevskaya , pp. 104
1970     non Hemiphragma pygmaeum Bassler, 1911 — Nekhorosheva , pp. 84, fig. VII 5-6
1978     Hemiphragma pygmaeum Bassler, 1911 — Astrova , pp. 53
2008     Hemiphragma pygmaeum Bassler, 1911 — Buttler et al. , pp. 11, fig. 2.1-2.2
Aiheeseen liittyvät julkaisut
Astrova, G. G. 1978. Istoriâ razvitiâ, sistema i filogeniâ mšanok otrâda Trepostomata. Transactions of the Paleontological Institute (PIN) 169, 1-240. Nauka.
Männil, R. M. 1959. Questions of stratigraphy and bryozoans of the Ordovician of Estonia. pp. 1-852. Institut Geologii Akademii Nauk Estonskoi SSR.
Modzalevskaya, E. A. 1953. Trepostomaty ordovika Pribaltiki i ih stratigraficheskoe znachenie. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 91-167. Gostoptehizdat.
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.
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Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumBryozoa
ClassStenolaemata
SuperorderPalaeostomata
OrderTrepostomata
SuborderHalloporina (suborder)
FamilyDittoporidae
GenusHemiphragma
Speciesbatheri
convexa
insolitum
irrasum
ottawaense
panderi
priscum
pygmaeum
rotundatum
subirrasum
tenuimurale
Levinneisyys ja viitteet