Tortonian teleost otoliths from northern Italy: taxonomic synthesis and stratigraphic significance
Author
Lin, Chien-Hsiang
D39077E1-7025-4118-B258-C4A896E63E2A
urn: lsid: zoobank. org: author: D 39077 E 1 - 7025 - 4118 - B 258 - C 4 A 896 E 63 E 2 A & Corresponding author: chlin. otolith @ gmail. com; r 97 b 41028 @ gmail. com
chlin.otolith@gmail.com
Author
Brzobohatý, Rostislav
A354D828-3D07-46F5-9D27-4F9D7B208F12
Email: rosta @ sci. muni. cz & urn: lsid: zoobank. org: author: A 354 D 828 - 3 D 07 - 46 F 5 - 9 D 27 - 4 F 9 D 7 B 208 F 12
rosta@sci.muni.cz
Author
Nolf, Dirk
6BCC71A0-1BEE-4BC0-BDFC-D070609DEFAB
Email: dirk. nolf @ scarlet. be & urn: lsid: zoobank. org: author: 6 BCC 71 A 0 - 1 BEE- 4 BC 0 - BDFC-D 070609 DEFAB
dirk.nolf@scarlet.be
Author
Girone, Angela
B4212D22-1D1B-48E9-8ABB-C1D1E05573EF
Email: angela. girone @ uniba. it & urn: lsid: zoobank. org: author: B 4212 D 22 - 1 D 1 B- 48 E 9 - 8 ABB-C 1 D 1 E 05573 EF
angela.girone@uniba.it
text
European Journal of Taxonomy
2017
2017-05-23
322
1
44
journal article
22102
10.5852/ejt.2017.322
2922dbf4-12ec-49d4-ac36-565434419f51
2118-9773
3829305
Nealotus tripes
Johnson, 1865
An otolith, named
Prometichthys prometheus
by
Lin
et al
. (2015
: fig. 7(1)), is also assigned to
N
.
tripes
: three additional specimens from Mondovi (one figured on
Fig. 12E
) present a very similar spindle shape, and seem to be nearest to those of the Recent
N
.
tripes
(see
Nolf 2013
: pl. 327). The otoliths of
P. prometheus
(Cuvier, 1832)
also show a reasonable resemblance, but the sulcus is straighter in
N
.
tripes
, and the rostrum in
P
.
prometheus
is more prominent with a conspicuous excisura notch.
An overview
on the taxonomic composition of investigated localities
A list of taxa recognised in this study is given in
Table 1
(page 6 and following), with all of them illustrated by at least one specimen. The present study, based on more than 5600 otoliths, reveals the presence of at least 109 taxa belonging to 38 families. Of these, 88 taxa were identified at species level. Among all the investigated localities, Sant’Agata Fossili and Montegibbio are the most diversified at family level, consisting of 20 and 18 families, respectively. The most abundant material came from Mondovi, Madonna della Neve, where more than 1600 specimens were collected. Furthermore, this locality is also characterised by many true oceanic mesopelagic taxa, such as microstomatids, sternoptychids and phosichthyids. At the Torrente Stirone locality, the otolith assemblage is most diversified at species level (51 taxa), of which the most abundant and even dominant taxa are neritic gobiids and congrids. Finally, the assemblages recognised at the Alba, Tanaro, Costa Vescovato, Gallo D’Alba, Sant’Alosio, and Stazzano localities show the typical characteristics of deep-water taxa, with a near-absence of neritic elements.