Post by dinosauria101 on May 9, 2019 16:50:24 GMT 5
Brygmophyseter shigensis
Brygmophyseter, known as the biting sperm whale, is an extinct genus of toothed whale in the sperm whale family with one species, B. shigensis. When it was first described in 1994, the species was placed in the genus Scaldicetus based on tooth morphology, but this was later revised in 1995. In 2006, it was classified into the genus Naganocetus, which is considered to be a junior synonym. The only known specimen, a nearly complete skeleton, was dated to be around 14–15 million years old. Brygmophyseter is thought to have been 7 meters (23 ft) long, and it probably had 11 or 12 teeth in the upper and lower jaws. Brygmophyseter is part of a group of macroraptorial sperm whales (often shortened to "raptorial") which tended to be apex predators using their large teeth to catch struggling prey such as whales. It had a spermaceti organ which was probably used for biosonar like in the modern sperm whale. The whale has made an appearance on The History Channel's TV series Jurassic Fight Club.
Kronosaurus queenslandicus
Kronosaurus (meaning "lizard of Kronos") is an extinct genus of short-necked pliosaur. With an estimated length of 9 to 10.5 metres (30 to 34 ft), it was among the largest pliosaurs, and is named after the leader of the Greek Titans, Cronus. It lived in the Early Cretaceous period (Aptian to Late Albian). Fossil material has been recovered from the Toolebuc Formation (middle to late Albian) and Wallumbilla Formations (Aptian) of Queensland and New South Wales in Australia, and from the upper Paja Formation (late Aptian) in Boyacá, Colombia, and assigned to two species. Current estimates put Kronosaurus at around 9 to 10.5 metres (30 to 34 ft) in length. In 2009, K. queenslandicus was estimated to weigh up to 11,000 kilograms (11 t). The strength of the limb girdles, combined with evidence of large, powerful swimming muscles, indicates that Kronosaurus was likely a fast, active swimmer. Kronosaurus teeth exceed 7 centimetres (2.8 in) in length (the largest up to 30 centimetres (12 in) long with 12 centimetres (4.7 in) crowns). However, they lack carinae (cutting edges) and the distinct trihedral (three facets) of Pliosaurus and Liopleurodon teeth.
Credit to Wikipedia
NOTE: I know this may seem like a bit of an unfair match, but Brygmophyseter looks pretty bulky for a 7 meter whale (similar in size to Kronosaurus), so I thought I'd give it a try
Brygmophyseter, known as the biting sperm whale, is an extinct genus of toothed whale in the sperm whale family with one species, B. shigensis. When it was first described in 1994, the species was placed in the genus Scaldicetus based on tooth morphology, but this was later revised in 1995. In 2006, it was classified into the genus Naganocetus, which is considered to be a junior synonym. The only known specimen, a nearly complete skeleton, was dated to be around 14–15 million years old. Brygmophyseter is thought to have been 7 meters (23 ft) long, and it probably had 11 or 12 teeth in the upper and lower jaws. Brygmophyseter is part of a group of macroraptorial sperm whales (often shortened to "raptorial") which tended to be apex predators using their large teeth to catch struggling prey such as whales. It had a spermaceti organ which was probably used for biosonar like in the modern sperm whale. The whale has made an appearance on The History Channel's TV series Jurassic Fight Club.
Kronosaurus queenslandicus
Kronosaurus (meaning "lizard of Kronos") is an extinct genus of short-necked pliosaur. With an estimated length of 9 to 10.5 metres (30 to 34 ft), it was among the largest pliosaurs, and is named after the leader of the Greek Titans, Cronus. It lived in the Early Cretaceous period (Aptian to Late Albian). Fossil material has been recovered from the Toolebuc Formation (middle to late Albian) and Wallumbilla Formations (Aptian) of Queensland and New South Wales in Australia, and from the upper Paja Formation (late Aptian) in Boyacá, Colombia, and assigned to two species. Current estimates put Kronosaurus at around 9 to 10.5 metres (30 to 34 ft) in length. In 2009, K. queenslandicus was estimated to weigh up to 11,000 kilograms (11 t). The strength of the limb girdles, combined with evidence of large, powerful swimming muscles, indicates that Kronosaurus was likely a fast, active swimmer. Kronosaurus teeth exceed 7 centimetres (2.8 in) in length (the largest up to 30 centimetres (12 in) long with 12 centimetres (4.7 in) crowns). However, they lack carinae (cutting edges) and the distinct trihedral (three facets) of Pliosaurus and Liopleurodon teeth.
Credit to Wikipedia
NOTE: I know this may seem like a bit of an unfair match, but Brygmophyseter looks pretty bulky for a 7 meter whale (similar in size to Kronosaurus), so I thought I'd give it a try
