1. A new genus of oribatid mites, exhibiting both the characteristic features of the families Charassobatidae and Cymbaeremaeidae (Acari: Cryptostigmata);Aoki;Acarologia,1972
2. Arillo, A., Peñalver, E., Delclòs, X., (in press A). A new dolichopodid species (Insecta: Diptera) from the Lower Cretaceous amber of San Just (Spain) and the co-occurrence of two ceratopogonid species in two Spanish amber deposits. Zootaxa.
3. A new fossil oribatid mite, Archaeorchestes minguezae gen. nov., sp. nov. from the Spanish Lower Cretaceous amber. Description of a new family, Archaeorchestidae (Acariformes, Oribatida, Zetorchestoidea);Arillo;Mitteilungen aus dem Geologisch-Palöontologischen Institut der Universitöt Hamburg,2000
4. Second fossil oribatid mite from the Spanish Lower Cretaceous amber. Eupterotegaeus bitranslamellatus n. sp. (Acari, Oribatida, Cepheidae);Arillo;Acarologia,2002
5. Arillo, A., Subías, L.S., Shtanchaeva, U., (in press B). A new fossil species of oribatid, Ommatocepheus nortoni sp. nov. (Acariformes, Oribatida, Cepheidae) from a new outcrop of Lower Cretaceous Álava amber (north of Spain). Systematic & Applied Acarology.