Species

Xiphograptus robustus (Ekström, 1937)

Synonyymit
1937     Didymograptus robustus n. sp. — Ekström , pp. 25, fig. 1:1-4; 2:1-2
1964     Didymograptus robustus norvegicus n. ssp. — Berry , pp. 105, fig. 7:1-3
1995     Xiphograptus robustus (Ekström) — Maletz , pp. 250
1997     Xiphograptus robustus (Ekström) — Maletz , pp. 31, fig. Pl 1; C, 12A-I
1998     Xiphograptus robustus (Ekström, 1937) — Maletz , pp. 358, fig. 7G
2010     Xiphograptus robustus (Ekström, 1937) — Maletz , pp. 429, fig. 8H, L
2017     Xiphograptus robustus (Ekström, 1937) — Chen, X. et al. , pp. 120, fig. Figs. 6-12A, C–E, J
Aiheeseen liittyvät julkaisut
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. 1997. Graptolites from the Nicholsonograptus fasciculatus and Pterograptus elegans Zones (Abereiddian, Ordovician) of the Oslo Region, Norway. Greifswalder Geowissenschaftliche Beiträge 4, 5-98.
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