Vörös A. szerk.: Fragmenta Mineralogica Et Palaentologica 18. 1996. (Budapest, 1996)
in the great collections. For example in the Neogene collection of the Hungarian Natural History Museum the next items can be found, without a claim to completeness: Stirpulina bacillum Palermo, Italy M. 58. 357. Stirpulina bac Ilium Palermo, Italy M. 60. 3845. Stirpulina bacillum Palermo, Italy M. 60. 3956. Clavagella bacillaris Kostej, Romania M. 60. 7502. Clavagella bacillaris Kostej, Romania M. 60. 7528. "Aspergillum" miocaenicum Devin (?), Slovakia M. 62. 4452. "Aspergillum" sp. Devin, Slovakia M. 62. 4482. Clavagella bacillaris Ipolynyék, Hungary M. 62. 2152. "Aspergillum"miocaenicum Nógrádszakái, Hungary M. 59. 1290. Clavagella bacillaris Budapest, Rákos, Hungary M. 59. 2373. Clavagella sp. Budapest, Rákos, Hungary M. 61. 5635. "Aspergillum"miocaenicum Budapest, Rákos, Hungary M. 61. 5606. "Aspergillum"miocaenicum Budapest, Rákos, Hungary M. 59. 2365. Clavagella bacillaris Budapest, Rákos, Hungary M. 66. 258. "Aspergillum" sp. Budapest, Rákos, Hungary M. 66. 257. Stirpulina bacillum Kistétény, Hungary M. 59. 2316. Clavagella bacillaris Bia, Hungary M. 61. 5869. Clavagella sp. Bia, Hungary M. 61.5871. Stirpulina (Clavagella) bacillum Bia, Hungary M. 60. 5862. It seems that the examination of this collection may contribute to the better knowledge of the rare and mysterious clavagellacean bivalves, so these specimens will be the subjects of a study in the near future. It is also possible to find clavagellacean bivalves in the Oligocène, Eocene and Cretaceous collections of the Hungarian Natural History Museum. (Clavagella (Stirpulina) oblita Michelotti, 1861 was described by BÁLDÍ 1973 from Hungarian Late Oligocène). In the same way, probably several clavagellacean bivalves can be found in the great collection of Hungarian Geological Institute. ACKNOWLEDGEMENTS This study was supported by the Hungarian National Scientific Research Fund (OTKA No. F. 13975). The SEM photos were taken in the SEM Laboratory of the Hungarian Geological Institute by Mrs. Takács and Mrs. Pellérdy. EXPLANATION TO PLATE I. 1. Anterior fringe fragment of Clavagella (Stirpulina) sp., Szob, Middle Miocene, x200 2. Fractured wall view of the Clavagella (Stirpulina) sp. fragment, x55 10 3. Surface of the tube fragment of Clavagella (Stirpulina) sp., ><55 10
