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Paläontologische Zeitschrift

, Volume 88, Issue 2, pp 187–196 | Cite as

A new species of the sleeper goby (Gobioidei, Eleotridae) from the České Středohoří Mountains (Czech Republic, Oligocene) and analysis of the validity of the family Pirskeniidae

  • Tomáš Přikryl
Research Paper

Abstract

A new species of gobioid fish Pirskenius Obrhelová, 1961 (P. radoni sp. nov.) is described from Oligocene strata of the České Středohoří Mountains and compared with related species. The new species is characterized by a unique combination of characters that allow it to be separated from P. diatomaceus Obrhelová, 1961. The taxonomic position of the genus Pirskenius is discussed, and its affinity to the family Eleotridae is indicated. The new record documents, together with P. diatomaceus, the oldest known skeletal record of the Eleotridae.

Keywords

Fish Gobioidei Eleotridae Pirskenius Oligocene Czech Republic 

Abbreviations

A

Anal fin

ar

Anguloarticular

BD

Body depth

br

Branchiostegal rays

C

Caudal fin

ce

Ceratohyal

CFL

Caudal fin length

cl

Cleithrum

CPD

Caudal peduncle depth

CPL

Caudal peduncle length

e

Ethmoid

ect

Ectopterygoid

ent

Entopterygoid

epu

Epural

fr

Frontal

HD

Head depth

hm

Hyomandibular

HL

Head length

hyp

Hypural

ID

First dorsal fin

IID

Second dorsal fin

MCZ

Museum of Comparative Zoology, Harvard University

MT

Museum of Teplice

mx

Maxilla

ncr

Neurocranium

NMP

National Museum in Prague

op

Operculum

P

Pectoral fin

PA

Preanal length

pa

Palatine

PD1

Predorsal (1) length

PD2

Predorsal (2) length

pfr

Pectoral fin rays

php

Parhypural

pmx

Premaxilla

pop

Preoperculum

psph

Parasphenoid

pst

Posttemporal

q

Quadrate

ra

Radials

SL

Standard length

sop

Suboperculum

sy

Symplectic

syf

Symplectic foramen

TL

Total length

V

Ventral fin

v

Vomer

vert

Vertebrae

vfr

Ventral fin rays

Kurzfassung

Eine neue Art der gobioiden Fischgattung Pirskenius Obrhelová, 1961 (P. radoni sp. nov.) wird aus oligozänen Schichten des Böhmischen Mittelgebirges beschrieben und mit verwandten Arten verglichen. Die neue Art ist durch eine einzigartige Kombination von Merkmalen definiert, die sie von P. diatomaceus Obrhelová, 1961 unterscheidet. Die taxonomische Stellung der Gattung Pirskenius wird diskutiert und Affinitäten zu der Familie Eleotridae angenommen. Zusammen mit P. diatomaceus dokumentiert die neue Art die ältesten Skelett-Nachweise der Familie Eleotridae.

Schlüsselwörter

Fisch Gobioidei Eleotridae Pirskenius Oligozän Tschechische Republik 

Notes

Acknowledgments

I would like to acknowledge both reviewers who kindly helped improve the quality of the manuscript. Miroslav Radoň is acknowledged for providing the fossil specimens for study and description. Dr. Boris Ekrt (National Museum in Prague) is acknowledged for access to collections under his care. Prof. Zlatko Kvaček (Charles University in Prague) is acknowledged for information about flora of the locality. Dr. Alison Murray (University of Alberta, Edmonton, Canada) is acknowledged for her comments on the manuscript and language corrections. I am grateful to Jessica Cundiff (Museum of Comparative Zoology, Harvard University) for sending me the photograph of the holotype specimen of Lepidocottus papyraceus (MCZ 5262). The research was financially supported by institutional project AV0Z30130516 and RVO67985831 of the Institute of Geology AS CR, v.v.i.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Institute of GeologyAcademy of Sciences of the Czech RepublicPraha 6Czech Republic

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