Species
Testograptus testis (Barrande, 1850)
Synonymy list
1850     Graptolithus testis — Barrande , pp. 53, fig. 3:19-21
1883     Monograptus testis — Tullberg , pp. 27, fig. 3:1-2
1889     Pristiograptus testis — Jaekel , pp. 675, fig. 28:9
1924     Monograptus testis — Hundt , pp. 72, fig. 3:5
1949     Monograptus (Pristiograptus) testis — Obut , pp. 20, fig. 3:6
1952     Monograptus testis — Münch , pp. 105, fig. 30:7
1965     Monograptus testis (Barrande), 1850 — Obut et al. , pp. 49-51, fig. 5:2-6; 6:1-8
1966     Monograptus testis — Obut & Sobolevskaya , pp. 31, fig. VI 2-3, 
1967     Monograptus testis  — Obut et al. , pp. 98, fig. XI 7,9
1967     Monograptus testis (Barrande), 1850 — Gailite et al. , pp. 235-237, fig. 27:6-7
Selection of related publications
Ulst, R. Ž. 1974. The early sequence of Pristiograpts in conterminous deposits of Wenlock and Ludlow of the Middle Pribaltic.  Graptolites of the USSR, pp. 105-122.   Nauka. 
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki. pp. 1-304.  Zinatne. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Hemichordata | 
| Class | Pterobranchia | 
| Subclass | Graptolithina | 
| Order | Graptoloidea | 
| Suborder | Axonophora | 
| Family | Monograptidae | 
| Genus | Testograptus | 
| Species | testis | 
References based on distribution
- Ulst, 1974a Talsi 55 borehole Wenlock
- Gailite et al., 1967 826 - 856 Wenlock
- Gailite et al., 1967 Adze 6 borehole Wenlock
- Gailite et al., 1967 Engure 4 borehole Wenlock