A newly-discovered species of ancient turtle is thought to be the largest marine turtle ever discovered in Europe.
Named Leviathanochelys aenigmatica and measuring 3.74 metres in length, it is also one of the largest ever to have roamed the seas, scientists say.
Fossilised remains of the turtle were discovered in the Cal Torrades locality in north-eastern Spain.
The Leviathanochelys also seems to represent a new taxon, or group, of ancient marine turtles, the study published in the journal Scientific Reports said.
No known European marine turtle — extinct or living — has exceeded 1.5m in shell-length, the researchers said.
The largest ever known sea turtle is the Archelon, which lived in the seas surrounding the North American continent between 66 and 100 million years ago.
The Archelon was 4.6 metres long and weighed up to 3.2 tonnes.
The Leviathanochelys remains, excavated between 2016 and 2021, were analysed by a team of scientists led by Angel Lujan from the Autonomous University of Barcelona.
They found a fragmented but almost complete pelvis and parts of the upper shell, which date to the Campanian Age — between 83.6 and 72.1 million years ago.
One key feature they identified was a distinctive bone that protrudes forwards from the front of the pelvis — something not seen in other marine turtles.
Researchers believe the protrusion may have been related to the reptile’s respiratory system.
Based on the size of the pelvis, the scientists calculated that the Leviathanochelys could have reached a body length of up to 3.74 metres.
They estimate the maximum width of Leviathanochelys’ pelvis was 88.9cm, making it slightly larger than the biggest estimate for Archelon’s best-known specimen of 81cm.
The findings indicate that gigantism in marine turtles developed independently in different lineages in both North America and Europe, the researchers said.
The language of diplomacy in 1853
Treaty of Peace in Perpetuity Agreed Upon by the Chiefs of the Arabian Coast on Behalf of Themselves, Their Heirs and Successors Under the Mediation of the Resident of the Persian Gulf, 1853
(This treaty gave the region the name “Trucial States”.)
We, whose seals are hereunto affixed, Sheikh Sultan bin Suggar, Chief of Rassool-Kheimah, Sheikh Saeed bin Tahnoon, Chief of Aboo Dhebbee, Sheikh Saeed bin Buyte, Chief of Debay, Sheikh Hamid bin Rashed, Chief of Ejman, Sheikh Abdoola bin Rashed, Chief of Umm-ool-Keiweyn, having experienced for a series of years the benefits and advantages resulting from a maritime truce contracted amongst ourselves under the mediation of the Resident in the Persian Gulf and renewed from time to time up to the present period, and being fully impressed, therefore, with a sense of evil consequence formerly arising, from the prosecution of our feuds at sea, whereby our subjects and dependants were prevented from carrying on the pearl fishery in security, and were exposed to interruption and molestation when passing on their lawful occasions, accordingly, we, as aforesaid have determined, for ourselves, our heirs and successors, to conclude together a lasting and inviolable peace from this time forth in perpetuity.
Taken from Britain and Saudi Arabia, 1925-1939: the Imperial Oasis, by Clive Leatherdale
Expert input
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TWISTERS
Director: Lee Isaac Chung
Starring: Glen Powell, Daisy Edgar-Jones, Anthony Ramos
Rating: 2.5/5
Points Classification after Stage 1
1. Geraint Thomas (Britain / Team Sky) 20
2. Stefan Kueng (Switzerland / BMC Racing) 17
3. Vasil Kiryienka (Belarus / Team Sky) 15
4. Tony Martin (Germany / Katusha) 13
5. Matteo Trentin (Italy / Quick-Step) 11
6. Chris Froome (Britain / Team Sky) 10
7. Jos van Emden (Netherlands / LottoNL) 9
8. Michal Kwiatkowski (Poland / Team Sky) 8
9. Marcel Kittel (Germany / Quick-Step) 7
10. Edvald Boasson Hagen (Norway / Dimension Data) 6
UAE currency: the story behind the money in your pockets
UAE WARRIORS RESULTS
Featherweight
Azouz Anwar (EGY) beat Marcelo Pontes (BRA)
TKO round 2
Catchweight 90kg
Moustafa Rashid Nada (KSA) beat Imad Al Howayeck (LEB)
Split points decision
Welterweight
Gimbat Ismailov (RUS) beat Mohammed Al Khatib (JOR)
TKO round 1
Flyweight (women)
Lucie Bertaud (FRA) beat Kelig Pinson (BEL)
Unanimous points decision
Lightweight
Alexandru Chitoran (ROU) beat Regelo Enumerables Jr (PHI)
TKO round 1
Catchweight 100kg
Marc Vleiger (NED) beat Mohamed Ali (EGY)
Rear neck choke round 1
Featherweight
James Bishop (NZ) beat Mark Valerio (PHI)
TKO round 2
Welterweight
Abdelghani Saber (EGY) beat Gerson Carvalho (BRA)
TKO round 1
Middleweight
Bakhtiyar Abbasov (AZE) beat Igor Litoshik (BLR)
Unanimous points decision
Bantamweight
Fabio Mello (BRA) beat Mark Alcoba (PHI)
Unanimous points decision
Welterweight
Ahmed Labban (LEB) v Magomedsultan Magomedsultanov (RUS)
TKO round 1
Bantamweight
Trent Girdham (AUS) beat Jayson Margallo (PHI)
TKO round 3
Lightweight
Usman Nurmagomedov (RUS) beat Roman Golovinov (UKR)
TKO round 1
Middleweight
Tarek Suleiman (SYR) beat Steve Kennedy (AUS)
Submission round 2
Lightweight
Dan Moret (USA) v Anton Kuivanen (FIN)
TKO round 2
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The specs
Engine: 4.0-litre flat-six
Torque: 450Nm at 6,100rpm
Transmission: 7-speed PDK auto or 6-speed manual
Fuel economy, combined: 13.8L/100km
On sale: Available to order now
Volvo ES90 Specs
Engine: Electric single motor (96kW), twin motor (106kW) and twin motor performance (106kW)
Power: 333hp, 449hp, 680hp
Torque: 480Nm, 670Nm, 870Nm
On sale: Later in 2025 or early 2026, depending on region
Price: Exact regional pricing TBA
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