Coronia grovei (Deby) D.M.Williams, 2023

Williams, David M., 2023, Notes on the diatom collection of the Natural History Museum, London (BM) IX: Campylodiscus hardmanianus, with a discussion on synapomorphy and the poverty of molecular monophyly, Phytotaxa 629 (1), pp. 53-64 : 57

Coronia grovei (Deby) D.M.Williams comb. nov.

Registration: http://phycobank.org/104168

BASIONYM:— Campylodiscus hardmanianus var. grovii Deby (1891: 69)

TYPE:— RUSSIA, ‘Derbend’, Caspian Sea ( BM Adams GC829 , ‘ C. daemelianus | Derbend | E.G.[rove]’, label on reverse side: ‘ Campyl.[odiscus] hardmanianus Grev. [ille] in litt.!’, holotype (four specimens with additional fragments) ; BM 53492 (Deby slide: ‘Derbent’, Caspian Sea , isotypes, Figures 21-22 ) .

The only relevant Grove slide for the ‘ C. Hardmanianus var. Grovii ’ is BM Adams GC 829 ( Figures 19-20 ), its label having: ‘ C. daemelianus | Derbend | E.G.[rove]’, and on the additional label added later to the reverse side of the slide: ‘ Campylodiscus hardmanianus Greville in litt.!’. This should be the holotype. ‘Slide 236’ has not been traced.

Figures

FIGURES 19–29. Figures 19, 20: Specimens of Campylodiscus hardmanianus var. grovei Deby from BM Adams GC829, ‘Derbend’, Caspian Sea, Russia, scaLe bar = 20μm. Figures 21, 22: Specimens of Campylodiscus hardmanianus var. grovei Deby from BM 53492, ‘Derbent’, Caspian Sea, Russia, scale bar = 50μm. Figure 23: Specimen (?) of ‘C. sonderianus’ from BM 35870, ‘TypeN-PLatte | I.D. MöLLer’, scaLe bar = 50μm. Figure 24: Reproduction of the published name (designation) for ‘Campylodiscus Sonderianus Grun. n. sp.’ in Möller (1877, p. 13). Figures 25, 6: Specimens of Campylodiscus daemelianus from BM 26853, ‘Yarra, Yarra’, Australia (Van Heurck, Types du Synopsis des Diatomées de Belgique, No. 542 (‘Yarra-Yarra (AUstraLie)’, scaLe bar = 50μm. Figure 27: Specimen of Coronia echeneis from Wismar, Germany, BM 12875, Cleve & Möller, no. 115, ‘Lebend im Hafen von Wismar’, scaLe bar = 20μm. Figures 28, 9: Specimen of ‘C. sonderianus’ from BM 64450, ‘ChaLLeNger StatioN 233’, ‘T.E.Doeg’, scaLe bar = 50μm.