Skip to main content

Advertisement

Table 2 Comparison of Scirpus weichangensis X.Q. Liang, sp. nov. with other fossil species

From: Fruits of Scirpus (Cyperaceae) from the early Miocene of Weichang, Hebei Province, North China and their palaeoecological and palaeobiogeographical implications

Species Shape 3-sided Length (mm) Width (mm) Surface Bristle Barbellae (μ) Site Epoch Reference
Fossil Obovate + 0.88 ± 0.04 0.65 ± 0.05 Net 3 Apical half Weichang, China Miocene This study
S. foveolatus Nikitin Obovate + 2.5–3.4 1.2–2.0 Polygonal and isodiametric    Tyumen Oliocene Nikitin 2006
S. clavatus Nikitin   + 1.6–2.1 0.5–0.7     Novosibirsk Oliocene Nikitin 2006
S. chandlerae Nikitin Ovate-obovate + 1.2–1.6 0.9–1.1     Tomsk Oliocene Nikitin 2006
S. nagorskyi Dorofeev    0.9–1.0 0.3–0.5     Tomsk Miocene Dorofeev 1963
S. novorossicus Doweld Ovate + 1.4–2.1 0.6–1.0     Odessa, Ukraine Miocene Doweld 2018
S. atroviroides Wieliczk Obovate   0.9 0.55 Small-celled    Czarnucha Pliocene Stachowicz-Rybka 2005
Scirpus sp. Obovate     Longitudinal rows of cells 6–8   Kathmandu, Nepal Pleistocene Bhandari et al. 2009