#carcharocles

[mesozoicmarket]

A fossilized shark tooth of an Otodus megalodon from the Luanda Formation in Cacuaco, Luanda, Angola. The teeth from these famous otodontid sharks can be found in Miocene to Pliocene aged deposits throughout the world. What is unusual about this tooth is the locale, though unfortunately, most of the root is missing and there is significant damage to the blade itself. The blade by itself has a slant height of around 3.5 inches. This old collection specimen like many other fossilized Angolan shark teeth was collected by a geologist working in the region decades ago.

[tff-praefectus]

Carcharocles auriculatus tooth

[o-craven-canto]

Largest marine megafauna by taxonomic group: the sea-lily Seirocrinus (Jurassic) for invertebrates, the heterostracan Pycnosteus (Devonian) for jawless fish, Glyptaspis (Devonian) for placoderms, Leedsichthys (Jurassic) for bony fish, the "megalodon" shark Otodus or Carcharocles (Neogene) for cartilaginous fish, the early ichthyosaur Shonisaurus (Triassic) for reptiles, the penguin Anthropornis (Paleogene) for birds, and the early whale Perucetus (Paleogene) for mammals. Also honorable mention of the stem-arthropods Anomalocaris and Amplectobelua as the first meter-sized motile animals ever.

From The extinct marine megafauna of the Phanerozoic, C. Pimiento et al., 2024 (link).

(EDIT: Interesting that, despite their taxonomic diversity and up to 200 millions of years of distance, Shonisaurus, Leedsichthys, Perucetus, and Otodus converged on more or less the same size. Presumably, that's as big as a carnivorous aquatic vertebrate can physically get.)

[sharkshowdown]

And now, to meet our contestants:

Two famous beasts, on one side we have the current biggest non filter feeding shark and on the other we have the biggest shark to ever live (that we know of).

Some facts.

Great White (Carcharodon carcharias): the great white can reach up to around 5,8m (19.1 feet), besides being the greatest fear for people on the beach, they're pretty harmless to humans, we're not a 5* course meal and they usually attack when they confuse us with a seal. Their eyesight is horrible. As any animal, it can also attack if it feels threatened.

Megalodon (Carcharocles megalodon): it lived during the miocene and pliocene around 23 to 3,6 millions ago. Megalodon is from a line of giant sharks, presumably from the Otodontidae family. With the lack of bones and only teeth, its hard to really estimate it's size but it could've reached 20 meters (67ft).

[cult-of-the-lamb-fan]

fun fact The word megalodon derives from Greek, meaning "giant tooth." The shark's full scientific name is Carcharocles megalodon.

woah cool

[poorks]

Kind of out there idea but prehistoric au for Lemon? Perhaps it's one of Lemon's verrrrrrrrry distant ancestors so think the megalodon and she's captured by prehistoric man for food but they find she's quite the horny little Carcharocle~

8 foot tall Lemon....

She's captured and bound but they caught her during the mating season, so she's in crazy heat when she gets tot he surface. Instead of killing and eating her, the entire community takes turns fucking her and taking care of her massive belly as she gets bigger with their children

[nyastyaraspurrtina]

a basking shark. a fucking basking shark. edward guimont i have nothing but respect for you but learning about people on tiktok misidentify a BASKING SHARK as CARCHAROCLES MEGALODON makes me want to cry.

[bluewhaleking]

History of the Blue Whale King, Part V: 13,650,000 - 5,000,000 BC

And thus the genus Balaenoptera was born. Though its members started small, the expanding throat pouch allowed for larger body sizes, and the whales of Balaenoptera surpassed 30 feet. Within a few million years, some reached 40.

Unfortunately, this was the new limit. Despite the Antarctic Circumpolar Current having existed since ~34,000,000 BC, there was just not enough food for filter feeders to reach the giant sizes they dreamed of.

Meanwhile, all the whales lived in fear of predators. Most were raptorial Sperm Whales, such as Acrophyseter and Zygophyseter. But worst of all were the giant macroraptorial Sperm Whale Livyatan Melvillei, and the giant shark Carcharocles Megalodon. Both reached lengths of 50 feet, with some reaching 60 or even 70, far larger than any baleen whale.

Unfortunately, some of the Balaenoptera whales lost faith in the King and Queen. In around 10,00,000 BC, a group split off the main lineage, and another splitoff occured in 7,500,000 BC. The first splitters became the ancestors of today's Humpback, Gray, Minke, and Fin Whales, while the other group led to the ancestors of Sei, Bryde's, and Omura's Whales.

But no matter. There were already seperate lineages of Cetaceans beyond the King and Queen's authority. They did not force anyone to follow them. Though it was unfortunate that lineages which murdered their fellow Cetaceans achieved the largest size.

But in 5,331,000 BC, the Miocene rolled over to the Pliocene, and with the new epoch, the Balaenoptera King found an opportunity. Wind-driven upwellings brought cold water and nutrients from the deep to the surface, causing massive plankton blooms. A far greater food supply meant the possibility of far greater body sizes. The King's dream, now over 60 million years old, was finally within sight.

Thus it was that he called a conference at the beginning of the Pliocene. He told his people, "This new supply of plankton is far beyond anything we've seen. We have the biology to exploit it. All we need to do now is gorge ourselves and pass on our biggest genes, and we will reach a far greater size than not only our current selves, but Megalodon and Livyatan. And we will gain more size in the next two million years than in the past 45 million combined."

Those still under his command rejoiced. Parliment voted unanimously, with support from the people, to deliver an ultimatum to the predators:

"Stop hunting us, or be destroyed."

Livyatan, the other raptorial Sperm Whales, and Megalodon laughed. In fact, the Megalodon King and Livyatan Emperor decided to have a contest to see who could eat the most whales. This contest sooned turned bloody, and thus began the Megalodon VS Livyatan War.

While the giant sharks and Sperm Whales fought each other, the Balaenoptera King's species (the one they were at this time has not yet been named by humans) grew larger at an unprecedented rate. Within 331,000 years, they grew from an average length of 30-35 feet to 50-60 feet. The other baleen species grew as well, though not by as much.

By 5,000,000 BC, it was too much for Lyviatan Melvillei to handle. They did not have enough success hunting larger prey, and combined with casualties from their war with Megalodon, the species went extinct. That was the end of the raptorial Sperm Whales, the others had already gone extinct a few million years prior.

The largest Baleen Whale species, the one under the command of the King and Queen, was Balaenoptera Sibbaldina. That time period marked the transition from tens millions of years of being small, to becoming the largest animals to ever live on Earth.

[billiekaysworld]

Traduction du français vers l'espagnol de l'article Le mégalodon, plus grand prédateur marin connu, n’a finalement pas ressemblé au requin blanc, selon une étude du journal Libération

Página principal/Ciencias/Arqueología

Ciencias

Al final, el megalodón, el mayor depredador marino conocido, no pareciéndose al jaquetón blanco, según un estudio

El debate queda abierto entre los investigadores a propósito de su aspecto y tamaño, estimados entre 15 y 20 metros de longitud. Un estudio publicado el lunes 22 de enero le atribuye el aspecto de un tiburón mako y no de un jaquetón blanco.

El megalodón se habría parecido más a un marrajo que a un tiburón blanco. (Richard Robinson/Cultura Creative. AFP)

por Sascha Garcia y AFP

publicado el 22 de enero de 2024 a las 11h37

Un temible depredador marino con grandes dientes y un lado impresionante… Pero quizá no tan grande como se imaginaba. Un estudio, publicado este lunes 22 de enero en la revista Palaeontologia Electronica, describe al megalodón, una de las mayores criaturas marinas que han existido, como más delgado de lo que se había representado hasta ahora.

El megalodón, cuyo nombre científico es Carcharocles megalodon, desapareció de los océanos hace 3,6 millones de años, y muchos investigadores siguen intentando reconstruir su aspecto y tamaño, estimado entre 15 y 20 metros de longitud, a partir de los escasos restos disponibles. Este margen de error se explica por el escaso número de fósiles que quedan, dientes incompletos y conjuntos de vértebras.

Similar al tiburón Mako

“Nuestro equipo reexaminó el registro fósil y descubrió que el Megalodón era mucho más delgado”, de lo que se pensaba, dijo el biólogo Phillip Sternes, de la Universidad de California en Riverside, en un comunicado. “No obstante, habría sido un depredador asombroso, en la cima de la cadena alimentaria marina”, añadió el autor principal del estudio. En lugar del impresionante lado del jaquetón blanco, el animal habría tenido el aspecto del actual tiburón mako, mucho más esbelto. Basándose en este nuevo análisis, los investigadores le atribuyen un comportamiento muy específico. No habría necesitado cazar muy a menudo debido a su larguísimo tracto digestivo, acorde con su gran tamaño.

Este aspecto también podría haber resultado una desventaja cuando llegaron depredadores más fornidos, pero también más rápidos que él. Según Kenshu Shimada, paleo-biólogo de la Universidad DePaul de Chicago y coautor del estudio, el megalodón “podría no haber sido un nadador potente” en comparación con el jaquetón blanco. Aunque una de las teorías que explican la extinción del megalodón se basa en la escasez de sus presas, ahora los investigadores estadounidenses plantean otra hipótesis. “Una combinación de factores llevó a su extinción, pero uno de ellos pudo ser la aparición del jaquetón blanco, que quizá era más ágil y, por tanto, mejor depredador que el Megalodón”, explica Phillip Sternes.

En última instancia, para tener una representación exacta de la verdadera forma de este animal, habría que hacerse con un esqueleto más completo que los escasos elementos de que disponen los paleontólogos. Kenshu Shimada es más poético: “El hecho de que no sepamos exactamente cómo era el Carcharocles megalodon da rienda suelta a la imaginación.” Cada uno puede imaginar cómo podría haber sido este terrorífico monstruo marino.

Referencia:

ES · ¡Hola a todos! La traducción de esta semana se refiere a un artículo sobre la posible forma del megalodón, un animal que me fascina y me aterroriza… ¡Disfruten de la lectura!

FR · Bonjour tout le monde ! La traduction de cette semaine porte sur un article consacré à la potentielle forme qu'avait le mégalodon, un animal qui me fascine et me terrifie à la fois… Bonne lecture !

[me31]

Carcharocles megalodon - Wikipedia, la enciclopedia libre

[mrvokiman]

Also it was the 1830s and the lack of internet back then probably made looking up fossil names a liiiittle bit harder, so I wouldn't be surprised if the person who named Carcharodon Carcharocles Otodus megalodon didn't know that he was using a name that was already taken by a clam

Paleontologists who study dinosaurs 🤝 paleontologists who study marine life

Having to explain very simple things that shouldn’t be controversial

“Birds are dinosaurs” and “the megalodon is fucking extinct”

For real.

Also don’t say that too loud, the megalodon stans will find us

[mesozoicmarket]

A worn fossilized shark tooth of an Otodus sokolovi from the Samlat Formation in Dakhla, Morocco. This lesser known species of Otodus is sometimes synonomized with Otodus auriculatus, and represents a transitional form between it and Otodus angustidens.

[tff-praefectus]

Carcharocles auriculatus

[ailingwriter]

#171

Charocle

(Art by @the-cutest-motherfucker-ever )

Water

Close-Range

Large

Lp: High

Atk: Excellent

Def: Average

Acc: High

Spd: Average

Support: Ally -20% Atk, -20% Def, -20% Acc, -20% Spd

With high stats and scare skills balanced out by its detrimental support effects, Charocles is a powerful presence on the battlefield, for better or worse.

-

Carcharocles

45 feet

Paleozoic Paleocene - Cenozoic Neogene

Diet: Carnivore

Location: Worldwide

Also known as Otodus, this genus includes the infamous Megalodon among its ranks.

-

Charocle is found in curious fossil rocks. It has a super evolver.

Thanks to @mojojax2500 and @the-cutest-motherfucker-ever for helping with the design, idea, and art of this vivosaur.

[tearsinthemist]

megalodon, (Carcharocles megalodon), member of an extinct species of megatooth shark (Otodontidae) that is considered to be the largest shark, as well as the largest fish, that ever lived. Fossils attributed to megalodon have been found dating from the early Miocene Epoch (which began 23.03 million years ago) to the end of the Pliocene Epoch (2.58 million years ago). The word megalodon, a compound of Greek root words, means “giant tooth.”

Mike Bell

These Megalodon Teeth were found Scubadiving off the coast of Venice Florida

[casiellespaleo]

Carcharocles/Otodus megalodon tooth