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| Kingdom Animalia | 
|  | Ceramonema pisanum Gerlach, 1953 – valid | 
|  | Chaetonotus aculifer Gerlach, 1953 – invalid | 
|  | Cobbia dentata Gerlach, 1953 – valid | 
|  | Dagda asymmetrica Gerlach, 1953 – valid | 
|  | Dolicholaimus acutus Gerlach, 1953 – invalid | 
|  | Enoploides brunettii Gerlach, 1953 – valid | 
|  | Enoplolaimus villosus Gerlach, 1953 – valid | 
|  | Ethmolaimus dahli Gerlach, 1953 – valid | 
|  | Halalaimus cirrhatus Gerlach, 1953 – valid | 
|  | Lauratonema adriaticum Gerlach, 1953 – valid | 
|  | Lauratonema reductum Gerlach, 1953 – valid | 
|  | Lauratonematidae Gerlach, 1953 – valid | 
|  | Mesacanthion hirsutum Gerlach, 1953 – valid | 
|  | Microlaimus crassiceps Gerlach, 1953 – valid | 
|  | Neochromadora complexa Gerlach, 1953 – valid | 
|  | Paracyatholaimoides Gerlach, 1953 – valid | 
|  | Paracyatholaimoides multispiralis Gerlach, 1953 – valid | 
|  | Paracyatholaimus chilensis Gerlach, 1953 – valid | 
|  | Procamacolaimus dolichostylum Gerlach, 1953 – valid | 
|  | Procamacolaimus tubifer Gerlach, 1953 – valid | 
|  | Scaptrella brevicaudata Gerlach, 1953 – valid | 
|  | Synodontium monhystera Gerlach, 1953 – valid | 
|  | Tarvaia angusta Gerlach, 1953 – valid | 
|  | Tetranchyroderma papii Gerlach, 1953 – valid | 
|  | Theristus clavicaudatus Gerlach, 1953 – invalid | 
|  | Trichomadora ariminiensis Gerlach, 1953 – invalid | 
|  | Turbanella italica Gerlach, 1953 – valid | 
|  | Xenocyatholaimus Gerlach, 1953 – valid | 
|  | Xenocyatholaimus delamarei Gerlach, 1953 – valid | 
        
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