Predation on Orthogonikleithrus hoelli by other Orthogonikleithrus species at Ettling. A, Orthogonikleithrus n. sp. 1 (JME-ETT903), a new species of this genus from Ettling (Plattenkalk II) (Arratia, in progress), with Orthogonikleithrus hoelli as stomach contents; B, Orthogonikleithrus n. sp.1 (JME-ETT9) from Plattenkalk I), with Orthogonikleithrus hoelli as stomach contents.