Subspecies
Pseudohornera bifida excedens Männil, 1958
Synonymy list
1958     Pseudohornera bifida excedens n. subsp. — Männil , pp. 338, fig. V 7
1970     Pseudohornera bifida excendens Männil — Rõõmusoks , pp. 328, fig. table 17
1985     Pseudohornera bifida excedens — Lavrentjeva , pp. 34
Selection of related publications
Männil, R. M. 1959. Questions of stratigraphy and bryozoans of the Ordovician of Estonia. pp. 1-852.  Institut Geologii Akademii Nauk Estonskoi SSR. 
Männil, Ralf 1958. New Cryptostomatous Bryozoans from the Ordovician of Estonia.  Eesti NSV Teaduste Akadeemia Toimetised, Tehniliste ja Füüsikalis-matemaatiliste teaduste seeria / Известия Академии наук Эстонской ССР. Серия технических и физико-математических наук   7,   4,   330-347. DOI:10.3176/tech.phys.math.1958.4.07
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Fenestrata | 
| Subfamily | Phylloporinina | 
| Family | Phylloporinidae | 
| Genus | Pseudohornera | 
| Species | bifida | 
| Subspecies | excedens | 
References based on distribution
- Männil, 1958a Aluvere quarry Idavere Substage
- Männil, 1958a Alliku ditches, Harjumaa Jõhvi Substage
- Männil, 1958a Lehtmetsa quarry (Saaremaa) Keila Stage
- Männil, 1958a Tõrremägi ditches Oandu Stage
- Männil, 1958a Oandu River outcrops Oandu Stage
- Männil, 1958a Vasalemma Oandu Stage
- Männil, 1958a Rakvere Oandu Stage