liik
Streptograptus exiguus (Nicholson, 1868)
Sünonüümika
1868     Graptolithus lobiferus var. exiguus — Nicholson , lk. 533, joon. 19:27-28
1876     Monograptus exiguus — Lapworth , lk. 503, joon. 20:6
1892     Monograptus exiguus  — Törnquist , lk. 25, joon. 2:22
1913     Monograptus exiguus (Nicholson) — Elles & Wood , lk. 453, joon. 46:1a-d
1923     Monograptus exiguus — Gortani , lk. 13-14, joon. 1:23-27
1942     Monograptus (Streptograptus) exiguus — Bouček & Přibyl , lk. 5, joon. 1:1-3
1945     Monograptus exiguus — Waterlot , lk. 83, joon. 38:391
1949     Monograptus (Streptograptus) exiguus — Obut , lk. 23, joon. 4:7a-b
1952     Streptograptus exiguus — Münch , lk. 111, joon. 35:1a-b
1958     Streptograptus exiguus — Obut , lk. 63, joon. 5:3-4
Valik taksonit käsitlevast teaduskirjandusest
Maletz, J., Ahlberg, P., Suyarkova, A., Loydell, D. K. 2014. Silurian graptolite biostratigraphy of the Röstånga-1 drill core, Scania – a standard for southern Scandinavia.  GFF   136,   1,   175-178. DOI:10.1080/11035897.2013.865665
Loydell, D. K., Nestor, V., Männik, P. 2010. Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia.  Geological Magazine   147,   2,   253-280. DOI:10.1017/S0016756809990574
Loydell, D. K., Männik, P., Nestor, V. 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia.  Geological Magazine   140,   2,   205-229. DOI:10.1017/S0016756802007264
Howe, M. P. A. 1982. The Lower Silurian graptolites of the Oslo region.  Field Meeting, Oslo Region, 1982, pp. 21-32. 
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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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Hemichordata | 
| klass | Pterobranchia | 
| alamklass | Graptolithina | 
| selts | Graptoloidea | 
| alamselts | Axonophora | 
| sugukond | Monograptidae | 
| perekond | Streptograptus | 
| liik | anguinus | 
| ansulosus | |
| antennularius | |
| barrandei | |
| crispus | |
| dalecarlicus | |
| exiguus | |
| filiformis | |
| johnsonae | |
| kaljoi | |
| loydelli | |
| nodifer | |
| plumosus | |
| pseudobecki | |
| retroflexus | |
| sartorius | |
| speciosus | |
| storchi | |
| tenuis | |
| whitei | |
| wimani | 
Levik kirjandusandmetel
- Loydell et al., 2010 Kolka 54 puurauk 599 - Adavere lade
 - Loydell et al., 2003 Aizpute 41 puurauk 961.45 - Aeroni lade
 - Kaljo, 1970a (ed) Adavere lade
 - Gailite et al., 1967 Adze 6 puurauk Llandovery
 - Gailite et al., 1967 Engure 4 puurauk Llandovery
 - Maletz et al., 2014 Röstanga 1 puurauk 21.7 - 22.8 Telychi lade
 - Howe, 1982 Oslo nõgu Alam-Silur