# Permosynidae

Permosynidae is an extinct family of beetles known from the Permian to Cretaceous. It is sometimes treated as a form family, because all known members were described from fossils of isolated elytra with punctate striae.

## Taxonomy

After:
* Alveolacupes Lin, 1983 (also spelled Alveolicupes)
** Alveolacupes primus Lin, 1983
** Alveolacupes secundes Lin, 1983
* Artematopodites Ponomarenko, 1990
** Artematopodites crispulus Yan in Yan and Zhang, 2010
** Artematopodites insculptus (Zhang, 1997)
** Artematopodites latissimus Ponomarenko, 2014
** Artematopodites latus Ponomarenko, 1990
** Artematopodites lepidus Yan in Yan and Zhang, 2010
** Artematopodites leskoviensis Yan in Yan and Zhang, 2010
** Artematopodites longus (Hong, 1983)
** Artematopodites lozowskii Ponomarenko, 2015
** Artematopodites major Ponomarenko, 1990
** Artematopodites maximus Yan in Yan and Zhang, 2010
** Artematopodites prolixus (Zhang, 1997)
** Artematopodites propinquus (Zhang, 1997)
** Artematopodites shaanbeiensis Hong, 1995
* Bistrisyne Lin, 1986
** Bistrisyne tenua Lin, 1986
* Delpuentesyne Martins-Neto and Gallego, 2007
** Delpuentesyne menendezi Martins-Neto and Gallego, 2007
* Diarcuipenna Lin, 1986
** Diarcuipenna bennettitophila Ponomarenko, 2011
** Diarcuipenna heterosa Lin, 1986
* Dinoharpalus Handlirsch, 1906
** Dinoharpalus coptoclavoides Ponomarenko, 2015
** Dinoharpalus latus Ponomarenko, 2015
** Dinoharpalus liasinus (Giebel, 1856)
** Dinoharpalus martynovi Ponomarenko, 2018
** Dinoharpalus rugosus Ponomarenko, 1985
* Dzeregia Ponomarenko, 1985
** Dzeregia ampla Ponomarenko, 1990
** Dzeregia byrrhoides Ponomarenko, 1990
** Dzeregia crassa Ponomarenko, 1990
** Dzeregia juxta (Lin, 1986)
** Dzeregia lata Ponomarenko, 1985
** Dzeregia longa Ponomarenko, 1985
** Dzeregia pilula Ponomarenko, 1990
** Dzeregia platis Ponomarenko, 2014
** Dzeregia striata Ponomarenko, 1985
* Hydrobiites Heer, 1865
** Hydrobiites anglicus Handlirsch, 1906
** Hydrobiites bellus (Geinitz, 1894)
** Hydrobiites convexus Ponomarenko, 1985
** Hydrobiites crassus Ponomarenko, 1985
** Hydrobiites dobbertinensis Handlirsch, 1939
** Hydrobiites giebeli Handlirsch, 1906
** Hydrobiites handlirschi Ponomarenko, 2011
** Hydrobiites liasinus (Giebel, 1856)
** Hydrobiites longus Ponomarenko, 1990
** Hydrobiites minor Ponomarenko, 2014
** Hydrobiites minutissimus Ponomarenko, 1985
** Hydrobiites mongolicus Ponomarenko, 2014
** Hydrobiites permianus Ponomarenko, 2018
** Hydrobiites punctatostriatus Handlirsch, 1939
** Hydrobiites purbeccensis (Giebel, 1856)
** Hydrobiites sulcatus Ponomarenko, 1986
** Hydrobiites tillyardi Ponomarenko, 2011
** Hydrobiites veteranus (Heer, 1852)
** Hydrobiites vladimiri Ponomarenko, 2011
* Ischichucasyne Martins-Neto and Gallego, 2005
** Ischichucasyne cladocosta Martins-Neto and Gallego, 2009
** Ischichucasyne santajuanaensis Martins-Neto and Gallego, 2005
* Palademosyne Rohdendorf, 1961
** Palademosyne martynovae Rohdendorf, 1961
** Palademosyne natalensis Ponomarenko, 2005
* Permocrossos Martynov, 1932
** Permocrossos elongatus Martynov, 1932
* Permosyne Tillyard, 1924
** Permosyne affinis Tillyard, 1924
** Permosyne belmontensis Tillyard, 1924
** Permosyne dentata Ponomarenko, 2003
** Permosyne elongata Ponomarenko, 2005
** Permosyne mitchelli Tillyard, 1924
** Permosyne rasnitsyni Ponomarenko, 2011
* Platycrossos Dunstan, 1923
** Platycrossos caroli Ponomarenko, 2011
** Platycrossos elongatus Ponomarenko, 1985
** Platycrossos latus Ponomarenko, 2014
** Platycrossos ligulatus Dunstan, 1923
** Platycrossos longus Ponomarenko, 2014
** Platycrossos loxonicus Ponomarenko, 2014
** Platycrossos mongolicus Ponomarenko, 2014
** Platycrossos ovum Ponomarenko, 2014
** Platycrossos petalus Ponomarenko, 1985
** Platycrossos punctatus Ponomarenko, 1985
** Platycrossos subtumidus Dunstan, 1923
** Platycrossos tumidus (Tillyard, 1916)
* Pseudorhynchophora Handlirsch, 1906
** Pseudorhynchophora convexa Ponomarenko, 2008
** Pseudorhynchophora olliffi Handlirsch, 1906
* Sakmaracoleus Ponomarenko, 2013
** Sakmaracoleus orenburgensis Ponomarenko, 2013
* Tychtocoleus Rohdendorf, 1961
** Tychtocoleus europaeus (Ponomarenko, 2003)
** Tychtocoleus neuburgae Rohdendorf, 1961
** Tychtocoleus popovi Ponomarenko, 2018
* Umkomaasia Zeuner, 1960
** Umkomaasia depressa Zeuner, 1960