| Speculative biology is simultaneously a science and form of art in which one speculates on the possibilities of life and evolution. What could the world look like if dinosaurs had never gone extinct? What could alien lifeforms look like? What kinds of plants and animals might exist in the far future? These questions and more are tackled by speculative biologists, and the Speculative Evolution welcomes all relevant ideas, inquiries, and world-building projects alike. With a member base comprising users from across the world, our community is the largest and longest-running place of gathering for speculative biologists on the web. While unregistered users are able to browse the forum on a basic level, registering an account provides additional forum access not visible to guests as well as the ability to join in discussions and contribute yourself! Registration is free and instantaneous. Join our community today! |
| Obscure Taxa; For interesting or obscure organisms you'd like to share. | |
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| Topic Started: Dec 14 2016, 09:46 PM (48,923 Views) | |
| Chuditch | Sep 19 2017, 03:16 AM Post #601 |
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Dasyurid
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Perhaps he could update and repost it every month. Or if he can't, someone else with time on their hands (a.k.a not me) can. |
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My wildlife YouTube channel Projects
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| HangingThief | Sep 19 2017, 06:01 AM Post #602 |
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ghoulish
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I don't believe that Caulerpa is unique among algae in that regard. |
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Hey. | |
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| Archeoraptor | Sep 19 2017, 06:45 AM Post #603 |
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"A living paradox"
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I suggest putingit in a visible place ¡f neccesary another thread |
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Astarte an alt eocene world,now on long hiatus but you never know Fanauraa; The rebirth of Aotearoa future evo set in new zealand after a mass extinction coming soon......a world that was seeded with earth´s weridest and who knows what is coming next........... " I have to know what the world will be looking throw a future beyond us I have to know what could have been if fate acted in another way I have to know what lies on the unknown universe I have to know that the laws of thee universe can be broken throw The Spec I gain strength to the inner peace the is not good of evil only nature and change,the evolution of all livings beings" " Spoiler: click to toggle | |
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| DINOCARID | Sep 19 2017, 08:33 AM Post #604 |
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Adolescent
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Damn. I had a post about giant unicellular organisms halfway written for a long time now. Guess I shouldn't have forgotten about that. Or this thread. I'm not very active, am I? Anyway, those things are unicellular, but they're also multinuclear, which somehow feels disappointing to me. Here's the largest uninucleate unicellular organism I know of.![]() This lovely little bouquet of parasols belongs to the genus Acetabularia, the Mermaid's Wineglasses. They grow from less than one to around four inches tall in shallow, warm waters seemingly worldwide. What makes it notable is that it's one of the largest uninucleate unicellular organisms on earth, each little stalk and cap constituting an entire cell. It even shares it's class, ulvophyceae, with Caulerpa, the very largest unicellular organism on earth, with stolons (runners) reaching around ten feet. Their anatomy can be broken into three parts: the rhizoid, at the base, the stalk, and the cap. The nucleus is located in the middle of the rhizoid, visible if one looks closely. The rhizoid serves to anchor them, not to gather nutrients from the substrate. The hair-whorled stalk keeps the cap raised into the currents, which is important, for the cap is not an organ of photosynthesis, but one of reproduction. ![]() These individuals demonstrate the diversity of cap forms. In the above picture, the cap on the left is visibly transparent, and full of granules. These granules are called cysts, and they are packaged genetic information. This DNA came from the nucleus, that created daughter nuclei by mitosis, which then divided by meiosis, creating gametic nuclei that were sent up the stalk to be released from the cap. If and when two cysts meet, by chance, they fuse into a zygote, that, with luck, will settle somewhere suitable. Joachim Hammerling, in the 1930's to 50's, used Acetabularia in experiments that showed eukaryotes did store genetic information in the nucleus. He did this by removing the caps of two distinct species, and grafting them to the other stalk. The caps took, and slowly changed into a form typical of the species of the stalk they were now attached to. This showed that the nucleus, at the base of the stalk, in the rhizoid, was causing the cap to express traits encoded by it's genes alone, and that the whole cell did not contain genetic information that encoded for traits. He also transplanted the nucleus from individual to one of another species, creating a binucleate individual. It slowly began to express traits from both species, further reinforcing that the nucleus contains the genes that encode for traits. They have been used extensively as a model organism to study and demonstrate gene expression up to the modern day. |
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Check out my deviantart here Projects The Fieldguide to Somnial Organisms The Tetrarch (coming soon) | |
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| IIGSY | Sep 19 2017, 04:10 PM Post #605 |
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A huntsman spider that wastes time on the internet because it has nothing better to do
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what does multinuclear mean? |
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Projects Punga: A terraformed world with no vertebrates Last one crawling: The last arthropod ARTH-6810: A world without vertebrates (It's ded, but you can still read I guess) Potential ideas- Swamp world: A world covered in lakes, with the largest being caspian sized. Nematozoic: After a mass extinction of ultimate proportions, a single species of nematode is the only surviving animal. Tri-devonian: A devonian like ecosystem with holocene species on three different continents. Quotes Phylogeny of the arthropods and some related groups In honor of the greatest clade of all time More pictures Other cool things All African countries can fit into Brazil
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| DINOCARID | Sep 19 2017, 04:16 PM Post #606 |
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Adolescent
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A multinuclear cell has more than one nucleus, and sort of functions like a bunch of cells sharing the same membrane. |
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Check out my deviantart here Projects The Fieldguide to Somnial Organisms The Tetrarch (coming soon) | |
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| LittleLazyLass | Sep 19 2017, 09:11 PM Post #607 |
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Proud quilt in a bag
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I remember a while back Beetleboy posted about cute little bats that hang around in lines on trees. There's a cool summary of their family here. |
totally not British, b-baka! You like me (Unlike)I don't even really like this song that much but the title is pretty relatable sometimes, I guess. Me What, you want me to tell you what these mean? Read First Words Maybe | |
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| Nembrotha | Sep 20 2017, 05:48 AM Post #608 |
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Adolescent
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http://alphynix.tumblr.com/post/165482450327/life-seems-to-have-existed-on-earth-for-over-4 (Read the post, it will give more context) Meet the kings of obscure taxa - complex multicellular life from 2.1 billion years ago called the Francevillian Biota. Billions of years before the Ediacaran, there was very complex life that has since died out. This, right here, is the ultimate spec potential. |
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Journey to the Makrinocene, a world in the twilight hours of the Cenozoic! (Slightly Inactive, will eventually pick up) Come to Terra Fantasia, a bizarre world where nothing is as it seems! (Ongoing) Spoiler: click to toggle
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| Archeoraptor | Sep 20 2017, 11:51 AM Post #609 |
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"A living paradox"
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we are the plan B then ![]() but seriusly rather interesting weird I have never heard of it,is this a new discovery or at least recent or has been known for a while? |
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Astarte an alt eocene world,now on long hiatus but you never know Fanauraa; The rebirth of Aotearoa future evo set in new zealand after a mass extinction coming soon......a world that was seeded with earth´s weridest and who knows what is coming next........... " I have to know what the world will be looking throw a future beyond us I have to know what could have been if fate acted in another way I have to know what lies on the unknown universe I have to know that the laws of thee universe can be broken throw The Spec I gain strength to the inner peace the is not good of evil only nature and change,the evolution of all livings beings" " Spoiler: click to toggle | |
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| Tartarus | Sep 20 2017, 07:23 PM Post #610 |
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Prime Specimen
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I think its been known for a while but remained rather obscure. Palaeontology seems to be full of fascinating discoveries few people have heard of. |
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| Dragonthunders | Sep 20 2017, 07:32 PM Post #611 |
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The ethereal archosaur in blue
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It is something I had in mind, however seeing how erratic it tends to be the number of entries per month could think of updating it bimonthly or quarterly, depending on the number of publications. Also, I want to know if DINOCARID or some global mod could put this list in the first message of the topic or (probably just mods or even an admin) "pin" it to appear at the top of any page. |
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Projects "Active" projects The Future is Far Welcome to the next chapters of the evolution of life on earth, travel the across the earth on a journey that goes beyond the limits, a billion years of future history in the making. The SE giants project Wonder what is the big of the big on speculative evolution? no problem, here is the answer Coming one day Age of Mankind Humanity fate and its possible finals. The Long Cosmic Journey The history outside our world. The alternative paths The multiverse, the final frontier... Holocene park: Welcome to the biggest adventure of the last 215 million years, where the age of mammals comes to life again! Cambrian mars: An interesting experiment on an unprecedented scale, the life of a particular and important period in the history of our planet, the cambric life, has been transported to a terraformed and habitable mars in an alternative past. Two different paths, two different worlds, but same life and same weirdness. My deviantart | |
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| Zorcuspine | Sep 20 2017, 09:46 PM Post #612 |
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Enjoying our azure blue world
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I could do that, no problem. Would that be okay with you DINOCARID? It is your thread |
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| Chuditch | Sep 21 2017, 05:24 AM Post #613 |
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Dasyurid
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The Eastern Queensland Identical Rock-wallaby Complex Yes, that's a thing. In the east coast of Queensland, Australia, there is a chain of 7 rock-wallaby species that are externally identical. It's funny, because while most large mammals in Australia can be told apart quite easily, many of the small ones usually need to be in hand to be sure of identification. Yet these medium-sized creatures can't even be identified in hand; you need analysis of the chromosomes for that. Other than being very cute, these species have always been of interest to evolutionary biologists, being great cases of evolution via geographical isolation. However, they also kind of mess up some theories a bit, more on that here. Anyway, to show how identical they are: Spoiler: click to toggle The only way to really identify species in the field is by location. I have seen the Mareeba Rock-wallaby in the wild at Granite Gorge, though the animals kind of helped (they were quite tame). They are mostly nocturnal but come out during the day as well in some areas (for example Granite Gorge). The wallabies shelter from the heat in caves and crevices on their rock scree home. They form strong, long-lasting pair bonds and practice allogrooming. They also climb trees, this and genetic evidence links them to tree-kangaroos. They feed on green vegetation, especially forbs and low shrubs. |
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My wildlife YouTube channel Projects
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| DINOCARID | Sep 22 2017, 07:42 AM Post #614 |
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Adolescent
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Sorry I didn't see, I am completely fine with that, I'm just happy that this thread became so popular! |
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Check out my deviantart here Projects The Fieldguide to Somnial Organisms The Tetrarch (coming soon) | |
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| Octoaster | Sep 26 2017, 03:18 AM Post #615 |
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Meanwhile at Customer Support
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Moths With Feathered Wings. Australian moths within the family Alucitidae, usually called Manyplumed Moths, are the coolest god damn insects I have ever seen. Both the fore and hind wings are not single scaled plates, but each consist of 6~ chitinous rods with broad hairs radiating from them, making them look like feathers. Whether or not this affects the flight of the animals is unknown, but what is known is that they look really cool. They are found mostly in tropical and temperate climates, including some parts of Asia, Europe and Australia, only one species lives in North America / Great Britain. Their grubbos feed on honeysuckle plants. Spoiler: click to toggle
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"The only thing that would scar me for life would be pics and videos of hetero sex." - Flisch "Die" - Arachnus "though critising misseppls is hypcocresi on my part" - Archeoraptor "You deserve to be abandoned!" - Arachnus Open at own risk.
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