Collared Sunbird (Hedydipna collaris garguensis) - 6 July 2013. Gibb's Farm, Karatu, Arusha Region, Tanzania.

Two generic names were published by the same author on two consecutive pages of the same book.
In 2006, in BBOC 126, Mann & Cheke argued that Anthodiaeta had precedence because it appeared on the first of these two pages, hence that the use of Hedydipna was wrong and had to be abandoned.

However, if two names are published at the same date and at the same rank, the relative position of the names in the work where they appear doesn't affect the precedence between them. This precedence requires a first reviser act to be fixed. Thus the generic name Hedydipna is valid.

Digiscoped with Panasonic DMC-LX5 | Nikon FieldScope III | 30XWA | hand-held (no adapter).
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