Asterias. Asteria . A genus of STARFISH in the family Asteriidae. One species, Asterias rubens, is the most common in the north-east Atlantic region. . 0.77
Asterina. Asterina pectinifera . Asterina pectiniferas . Asterinas . pectiniferas, Asterina . A genus of STARFISH in the family Asterinidae. They externally hold developing embryos (EMBRYO, NON-MAMMALIAN) among the spines below the oral surface. . 0.74
Astroviridae. A family of RNA viruses with two genera: MAMASTROVIRUS and AVASTROVIRUS. They cause GASTROENTERITIS in humans and also infect other vertebrates. . 0.68
Minor Planets. Minor Planet . Planet, Minor . Plutoid . Asteroids . Planetoids . Planets, Minor . Plutoids . Small solar system planetary bodies including asteroids. Most asteroids are found within the gap lying between the orbits of Mars and Jupiter. . 0.60