| Promesostoma rostratum Ax, 1951 | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Ptychopera tuberculata (Graff, 1882) | Nov 1963 | | | one specimen collected in the Puccinellietum maritimae, where it was associated with numerous Proxenetes puccinellicola Ax, Monocelis lineata (O.F. Müller) Vejdovskya halileimonia Ax and small numbers of some other species. |
| Proxenetes puccinellicola Ax, 1960 | Nov 1963 | | | [Ptychopera tuberculata] collected in the Puccinellietum maritimae, where it was associated with numerous Proxenetes puccinellicola Ax, Monocelis lineata (O.F. Müller) Vejdovskya halileimonia Ax and small numbers of some other species. |
| Monocelis lineata (Müller, 1773) | Nov 1963 | | | [Ptychopera tuberculata] collected in the Puccinellietum maritimae, where it was associated with numerous Proxenetes puccinellicola Ax, Monocelis lineata (O.F. Müller) Vejdovskya halileimonia Ax and small numbers of some other species. |
| Vejdovskya halileimonia Ax, 1960 | Nov 1963 | | | [Ptychopera tuberculata] collected in the Puccinellietum maritimae, where it was associated with numerous Proxenetes puccinellicola Ax, Monocelis lineata (O.F. Müller) Vejdovskya halileimonia Ax and small numbers of some other species. |
| Proxenetes flabellifer Jensen, 1878 | Apr 1963 | | | Salt-marsh. |
| Proxenetes deltoides den Hartog, 1965 | Apr 1963 | | | salt-marsh. |
| Proxenetes deltoides den Hartog, 1965 | Nov 1963 | | | salt-marsh. Puccinellietum maritimae fauna on the salt-marsh. |
| Proxenetes simplex Luther, 1948 | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Proxenetes quadrispinosus den Hartog, 1966 | Apr 1963 | | mud, fine sand | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Proxenetes quadrispinosus den Hartog, 1966 | Nov 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Provortex balticus (Schultze, 1851) | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Monocelis fusca Örsted, 1843 | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Proxenetes flabellifer Jensen, 1878 | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Ptychopera westbladi (Luther, 1943) Den Hartog, 1964 | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Provortex tubiferus Luther, 1948 | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Pogaina suecica (Luther, 1948) | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Promesostoma marmoratum (Schultze, 1851) | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Archilopsis unipunctata (Fabricius, 1826) | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Pseudostomum quadrioculatum (Leuckart, 1847) | Apr 23, 1963 | | | Salt-marsh creek. Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. |
| Proxenetes puccinellicola Ax, 1960 | Nov 20, 1963 | | | Salt-marsh. |
| Coelogynopora schulzii Meixner, 1938 | Nov 20, 1964 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Ptychopera tuberculata (Graff, 1882) | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Vejdovskya halileimonia Ax, 1960 | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Monocelis lineata (Müller, 1773) | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Monocelis fusca Örsted, 1843 | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Proxenetes karlingi Luther, 1943 | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Maehrenthalia dubia Ax, 1956 | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Provortex balticus (Schultze, 1851) | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Mecynostomum auritum (Schultze, 1851) | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Provortex tubiferus Luther, 1948 | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Macrostomum pusillum Ax, 1951 | Nov 20, 1963 | | | Puccinellietum maritimae fauna on the salt-marsh. |
| Proxenetes karlingi Luther, 1943 | Nov 1963 | | | salt-marsh. |