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Palaeolignopholas kachinensis Bolotov, Aksenova, Vikhrev, Konopleva, Chapurina & Kondakov, 2021

urn:lsid:zoobank.org:act:F6659EBF-B0A4-4B21-A99B-2C56BDB7EC9B
Rank: Species
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Parent: Palaeolignopholas Bolotov, Aksenova, Vikhrev, Konopleva, Chapurina & Kondakov, 2021
Specific Name: kachinensis
Authorship: Bolotov, Aksenova, Vikhrev, Konopleva, Chapurina & Kondakov
Publication: Bolotov, Ivan, Olga Aksenova, Ilya V. Vikhrev, Ekaterina S. Konopleva, Yulia Chapurina & Alexander V. Kondakov. 2021 A new fossil piddock (Bivalvia: Pholadidae) may indicate estuarine to freshwater environments near Cretaceous amber-producing forests in Myanmar. Scientific Reports 11: 1-14.
Page: 7
Figure(s): 1, 2, 3, 4, 5, 6, 7
Type Specimen(s): Holotype. RMBH biv1115, the adult shell with length 3.07 mm and width 1.13 mm “floating” in the resin, local collector leg., Russian Museum of Biodiversity Hotspots [RMBH], N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Arkhangelsk, Russia. Paratypes. RMBH biv1116, the fossilized adult shell with length 4.05 mm and width 1.83 mm; RMBH biv1101, the immature specimen with articulated shell (width 1.86 mm) sharing a detached and deflected umbonal paired fragment of the valves due to the shell breakage; RMBH biv1101, the other immature specimen with shell length 2.68 mm and shell width 2.52 mm in this amber piece; BMNH 20205, adult specimen [illustrated in Mayoral et al. (2020): fig. 7B], Department of Palaeontology, Natural History Museum, London, UK; NIGP 169623, adult specimen [illustrated in Mao et al. (2018): 100, fig. 8G], and NIGP 169624, two adult specimens [illustrated in Mao et al. (2018): 100, fig. 8H], Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China; RS.P1450, two sub-adult specimens [illustrated in Smith & Ross (2018): 5, fig. 4A-B], Ru D. A. Smith collection, Kuala Lumpur, Malaysia.
Type Locality: The Noije Bum Hill mines, Hukawng Valley, near Tanai (26.3593°N, 96.7200°E), Kachin State, northern Myanmar; Upper Cretaceous (lower Cenomanian; absolute age of youngest zircons in enclosing marine sediment: 98.79±0.62 Ma).
Fossil: Yes