z3n04unis0n 的鑑定

sensu lato
A very young Corbicula found in the midden. 2-3mm in length

sensu lato
Found in the midden. Significantly finer ridges than http://www.inaturalist.org/observations/202427507 but there appears to be somewhat of a gradient across the population.

sensu lato
In stormwater drainage, also showing fish: http://www.inaturalist.org/observations/215289784

sensu lato
In stormwater drainage, also showing fish: http://www.inaturalist.org/observations/215289784

sensu lato
In stormwater drainage, also showing fish: http://www.inaturalist.org/observations/215289784

sensu lato
In stormwater drainage, also showing fish: http://www.inaturalist.org/observations/215289784

sensu lato
In stormwater drainage, also showing fish: http://www.inaturalist.org/observations/215289784