这篇研究报道了缅甸白垩纪中期克钦琥珀中发现的苔纲(Gametophyte)新物种克钦扁萼苔(Radula kachinensis sp. nov.)。该化石展现出独特的形态特征组合：宽卵形腹瓣(lobule)、短龙骨(keel)和具柔荑花序的茎轴(amentulose axes)，其三级分枝系统在扁萼苔科(Radulaceae)中极为罕见。

Have you ever wondered if slugs can smile — or if they even have teeth? Their smooth bodies and simple appearance might ...

Abstract DURING investigations of the mechanism of secretion and replacement of the molluscan radula an attempt was made to determine the rate of replacement. Carriker 1 collected the fæces of Lymnaea ...

This is a close up of the radula preserved in Calvapilosa kroegeri next to a radula from a modern chiton. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted ...

The radula sounds like something from a horror movie -- a conveyor belt lined with hundreds of rows of interlocking teeth. In fact, radulas are found in the mouths of most molluscs, from the giant ...

Move over, marijuana: Scientists have their eye on a THC-like psychoactive chemical found in the unassuming, lumpy Radula, a group of plants in the liverwort family. That’s not to say that some people ...

Simple plants aren't always easy, proves the Radula buccinifera complex, formed of "primitive," small, moss-like plants called liverwort. Molecular and morphological evidence show that what was ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This model, made out of clay, shows the 478-million-year-old armored worm. Notice the black ...

It’s been a long year, and with the holiday season upon us, nobody needs an excuse to unwind. But for those who do, look no further than the humble liverwort plant, native to New Zealand and Tasmania, ...