sugukond
Pterograptidae Mu, 1950
Valik taksonit käsitlevast teaduskirjandusest
Maletz, J., Ahlberg, P. 2021. Dapingian to lower Darriwilian (Middle Ordovician) graptolite biostratigraphy and correlation of the Krapperup drill core, Scania, Sweden.  GFF   143,   1,   16-39. DOI:10.1080/11035897.2020.1822439
Maletz, J., Ahlberg, P., Lundberg, F. 2020. Ordovician graptolite biostratigraphy of the Röstånga-2 drill core (Scania, southern Sweden).  GFF   142,   3,   206-222. DOI:10.1080/11035897.2020.1739743
Maletz, J. 2010. Xiphograptus and the evolution of virgella-bearing graptoloids.  Palaeontology   53,   2,   415-439. DOI:10.1111/j.1475-4983.2010.00940.x
Maletz, J. 2005. Early Middle Ordovician graptolite biostratigraphy of the Lovisefred and Albjära drill cores (Scania, southern Sweden).  Palaeontology   48,   4,   763-780. DOI:10.1111/j.1475-4983.2005.00482.x
Maletz, J. 1997. Graptolites from the Nicholsonograptus fasciculatus and Pterograptus elegans Zones (Abereiddian, Ordovician) of the Oslo Region, Norway.  Greifswalder Geowissenschaftliche Beiträge   4,      5-98.
Maletz, J. 1995. The Middle Ordovician (Llanvirn) graptolite succession of the Albjära core (Scania, Sweden) and its implication for a revised biozonation.  Zeitschrift für Geologische Wissenschaften   23,   3,   249-259.
Skevington, D. 1965. Graptolites from the Ontikan Limestones (Ordovician) of Öland, Sweden. II. Graptoloidea and Graptovermida.  Bulletin of the Geological Institutions of the University of Uppsala   43,      1-74.
Obut, A. M. 1960. Correlation of some parts of  Estonian Ordovician and Silurian deposits according to graptolites.  ENSV TA Geoloogia Instituudi Uurimused   V,      143-157.
Leitud liigid
1. Didymograptellus bifidus (Hall, 1865) | Kunda lade
2. Pterograptus elegans Holm, 1881 | Darriwili lade
3. Pterograptus indistinctus Monsen, 1937 | Ordoviitsium
4. Pterograptus scanicus Moberg, 1901 | Darriwili lade
7. Xiphograptus patulentis (Chen, 1979) | Darriwili lade
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Hemichordata | 
| klass | Pterobranchia | 
| alamklass | Graptolithina | 
| selts | Graptoloidea | 
| alamselts | Dichograptina | 
| sugukond | Dichograptidae | 
| Didymograptidae | |
| Pterograptidae | |
| perekond | Didymograptellus | 
| Pseudobryograptus | |
| Pterograptus | |
| Xiphograptus | |
| Yutagraptus | |
| Calamograptus |