Diaphus, Eigenmann & Eigenmann, 1890

Van Hinsbergh, Victor W. M. & Helwerda, Renate A., 2019, Fish Otoliths from the Cabarruyan Piacenzian-Gelasian fauna found in the Philippines, Zootaxa 4563 (3), pp. 401-443 : 416

publication ID

https://doi.org/ 10.11646/zootaxa.4563.3.1

publication LSID

lsid:zoobank.org:pub:B0A3408F-563A-4DD3-94A4-284A2770B0A6

DOI

https://doi.org/10.5281/zenodo.5937027

persistent identifier

https://treatment.plazi.org/id/C5011D20-FFD4-FFF6-FF01-FD90C597AF61

treatment provided by

Plazi

scientific name

Diaphus
status

 

Diaphus View in CoL View at ENA sp. 2

(Figure 42)

Material: 1 specimen in total. AndaDeVos (1) RGM 962177.

A second 2.6 mm myctophid otolith (OL:OH= 1.34) has shape characteristics of the genus Diaphus . However, it differs from Diaphus sp. 1 by an oval shape with no postdorsal depression and a ventral rim with lobules rather than denticles. Furthermore, the ostium is longer than in Diaphus sp. 1 and slightly widening towards the anterior rim, while the caudal part is shorter. This is reflected in a longer ostium:cauda length ratio (2.5 in Diaphus sp. 2 vs 1.6 in Diaphus sp. 1). More material is needed for proper identification.

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