![Darren Naish on Twitter: "Why is the turtle penis so large? The evolution of the shell probably means that male #turtles were forced to evolve innovative penises in order to make genital Darren Naish on Twitter: "Why is the turtle penis so large? The evolution of the shell probably means that male #turtles were forced to evolve innovative penises in order to make genital](https://pbs.twimg.com/media/DzyV75sX0AYBJz0.jpg)
Darren Naish on Twitter: "Why is the turtle penis so large? The evolution of the shell probably means that male #turtles were forced to evolve innovative penises in order to make genital
![Close examination of pentifid (five-lobed) penis structure of Rafetus... | Download Scientific Diagram Close examination of pentifid (five-lobed) penis structure of Rafetus... | Download Scientific Diagram](https://www.researchgate.net/profile/Faruk-Aral/publication/289238583/figure/fig2/AS:347874249461761@1459951092135/Close-examination-of-pentifid-five-lobed-penis-structure-of-Rafetus-euphraticus_Q320.jpg)
Close examination of pentifid (five-lobed) penis structure of Rafetus... | Download Scientific Diagram
![Turtles have extremely large penises. As a turtle's penis inflates, its length may increase by nearly 50%, its width by 75%, and its depth by 10%. Even an uninflated penis – tucked Turtles have extremely large penises. As a turtle's penis inflates, its length may increase by nearly 50%, its width by 75%, and its depth by 10%. Even an uninflated penis – tucked](https://i.redd.it/y8izz6qn4rz51.jpg)
Turtles have extremely large penises. As a turtle's penis inflates, its length may increase by nearly 50%, its width by 75%, and its depth by 10%. Even an uninflated penis – tucked
![Radiated Tortoise (Astrochelys radiata). Male. Partially erected intromittent organ, or penis, below the tail Stock Photo - Alamy Radiated Tortoise (Astrochelys radiata). Male. Partially erected intromittent organ, or penis, below the tail Stock Photo - Alamy](https://c8.alamy.com/comp/DB3YCC/radiated-tortoise-astrochelys-radiata-male-partially-erected-intromittent-DB3YCC.jpg)
Radiated Tortoise (Astrochelys radiata). Male. Partially erected intromittent organ, or penis, below the tail Stock Photo - Alamy
![Poutine the Snapping Turtle and the Penis Prolapse - Steve Troletti Award Winning Drone Videographer/Photographer Poutine the Snapping Turtle and the Penis Prolapse - Steve Troletti Award Winning Drone Videographer/Photographer](https://www.stevetroletti.com/wp-content/uploads/2020/05/p1293496970-41.jpg)
Poutine the Snapping Turtle and the Penis Prolapse - Steve Troletti Award Winning Drone Videographer/Photographer
![Stock photo of Phallus/penile prolapse in a captive Yellow bellied slider (Trachemys.... Available for sale on www.naturepl.com Stock photo of Phallus/penile prolapse in a captive Yellow bellied slider (Trachemys.... Available for sale on www.naturepl.com](https://www.naturepl.com/cache/pcache2/01615838.jpg)