That is a good idea to be honest. It would help make the game more realistic.
Another option is to add another species from the Dilophosauridae or one of its relatives that is around that size. Some species that might work:
Sinosaurus, An extinct genus of theropod dinosaur found at the Lufeng Formation, in the Yunnan Province of China which lived during the Early Jurassic Period. Sinosaurus is the only "dilophosaurid" known from a complete braincase. Sinosaurus comes from Sinae, the Latin word for the Chinese, and the Greek word sauros (σαυρος) meaning "lizard"; thus "Chinese lizard". The specific name, triassicus, refers to the Triassic, the period that the fossils were originally thought to date from.
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Zupaysaurus, An extinct genus of early theropod dinosaur living during the Late Triassic in what is now Argentina. Fossils of the dinosaur were found in the Los Colorados Formation of the Ischigualasto-Villa Unión Basin in northwestern Argentina. It is known as the earliest known tetanuran theropod due to several features of its skull, dentition, and hindlimb. It was thought to be a coelophysoid in early studies; but later research found it was Dilophosaurid or a sister taxon to a clade containing dilophosaurids, ceratosaurs and tetanurans. The name Zupaysaurus is composed of the Quechua word supay meaning "devil" and the Greek word sauros (σαυρος) meaning "lizard"; thus "devil lizard". In Incan mythology, supay was both the god of death and ruler of the ukhu pacha, the Incan underworld.
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