Opinions from G. Leonardi 1981
- 'Ameghinichnus belongs to Ameghinichnidae'
- 'Ameghinichnus patagonicus belongs to Ameghinichnus'
- 'Anchisauripus australis belongs to Anchisauripus'
- 'Calibarichnus belongs to Theriodontia'
- 'Calibarichnus ayestarani belongs to Calibarichnus'
- 'Camptosaurichnus belongs to Iguanodontidae'
- 'Camptosaurichnus fasolae belongs to Camptosaurichnus'
- 'Chirotherium higuerensis is a subjective synonym of Chirotherium barthii'
- 'Delatorrichnus belongs to Carnosauria'
- 'Delatorrichnus goyenechei belongs to Delatorrichnus'
- 'Gallegosichnus belongs to Theriodontia'
- 'Gallegosichnus garridoi belongs to Gallegosichnus'
- 'Hadrosaurichnus belongs to Hadrosauridae'
- 'Hadrosaurichnus australis belongs to Hadrosaurichnus'
- 'Iguanodonichnus belongs to Iguanodontidae'
- 'Iguanodonichnus frenkii belongs to Iguanodonichnus'
- 'Ingenierichnus belongs to Therapsida'
- 'Ingenierichnus sierrai belongs to Ingenierichnus'
- 'Moraesichnium belongs to Ornithopoda'
- 'Moraesichnium barberenae belongs to Moraesichnium'
- 'Palaciosichnus belongs to Theriodontia'
- 'Palaciosichnus zettii belongs to Palaciosichnus'
- 'Parabatrachopus argentina is recombined as Batrachopus argentina'
- 'Rigalites ischigualastianus belongs to Rigalites'
- 'Rogerbaletichnus belongs to Theriodontia'
- 'Rogerbaletichnus aguilerai [misspelled as Rogerbaletichnus aquilerai] belongs to Rogerbaletichnus'
- 'Sarmientichnus belongs to Coelurosauria'
- 'Sarmientichnus scagliai belongs to Sarmientichnus'
- 'Shimmelia is a subjective synonym of Chirotherium'
- 'Shimmelia chirotheroides belongs to Shimmelia'
- 'Sousaichnium belongs to Ornithopoda'
- 'Sousaichnium pricei belongs to Sousaichnium'
- 'Staurichnium belongs to Ornithopoda'
- 'Staurichnium diogenis belongs to Staurichnium'
- 'Stipanicichnus belongs to Therapsida'
- 'Stipanicichnus bonettii belongs to Stipanicichnus'
- 'Wildeichnus belongs to Coelurosauria'
- 'Wildeichnus navesi belongs to Wildeichnus'