Biddulphia irregulare Grunow in Van Heurck 1883, pl. 111, fig. 10
as Triceratium (Biddulphia) irregulare Grev. var. hebetata Grun.
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| Status | Invalid | |
| Comments | Combination under Biddulphia listed by VanLandingham 1968, p. 534 (ref. 006294) with the note “implied”, but invalid (not accepted). Not listed in Mill's Index |
| Published in | Van Heurck, H. 1883 [ref. 001037]. Synopsis des Diatomées de Belgique. Atlas. Ducaju & Cie., Anvers. pls 104-132, 22bis, 82bis, 83bis, 83ter, 95bis. |
| Type | | INA card not found. Click here to check this name in the INA website. |
| Collector | | Assessment of record accuracy | likely accurate |