Life History of Stegocephalians Note Life History in Stegocephalians Michel Laurin The life history cannot be reconstructed with confidence for all the extinct terrestrial vertebrates, but a few taxa exceptionally well represented in the...
Hearing in Stegocephalians Complete Hearing in Stegocephalians The ear of stegocephalians is divided into the inner ear (the only part found in primitively aquatic vertebrates such as hagfishes, lampreys, chondrichthyans, and...
Notobatrachus degiustoi Under Construction Containing Groups Salientia Living Amphibians Terrestrial Vertebrates Sarcopterygii Gnathostomata Vertebrata Craniata Chordata Deuterostomia Bilateria Animals Eukaryotes Life on Earth Other Salientia Triadobatrachus massinoti Prosalirus bitis Vieraella...
Salticidae Under Construction Containing Groups Dionycha Entelegynae Araneomorphae Araneae Arachnida Arthropoda Bilateria Animals Eukaryotes Life on Earth Other Dionycha Thomisidae Clubionidae Salticidae Subgroups Lyssomaninae Spartaeinae Amycinae Thiodininae Hisponinae Synemosyninae Hyetussinae...
Hemichordata Temporary Page Containing Groups Deuterostomia Bilateria Animals Eukaryotes Life on Earth Other Deuterostomia Echinodermata Hemichordata Chordata Hemichordata Acorn worms and pterobranchs Click on an image to view larger version & data in a new window Planctosphaeroidea...
Scorpionida Under Construction Containing Groups Arachnida Arthropoda Bilateria Animals Eukaryotes Life on Earth Other Arachnida Solifugae Araneae Opiliones Acari Scorpionida Subgroups Protoscorpiones Palaeoscorpiones Scorpiones Scorpionida Scorpions and their extinct relatives Scott A. Stockwell...
Spermatopsida Temporary Page Containing Groups Embryophytes Green plants Eukaryotes Life on Earth Other Embryophytes Anthocerotophyta Bryophyta Lycopodiopsida Spermatopsida Polypodiopsida Subgroups Conifers Gnetales Angiosperms...
Phthiraptera Under Construction Containing Groups Troctomorpha Psocodea Hemipteroid Assemblage Neoptera Pterygota Insecta Hexapoda Arthropoda Bilateria Animals Eukaryotes Life on Earth Other Troctomorpha Phthiraptera Liposcelididae Pachytroctidae Sphaeropsocidae Amphientomidae Compsocidae...
Living Amphibians Under Construction Containing Groups Terrestrial Vertebrates Sarcopterygii Gnathostomata Vertebrata Craniata Chordata Deuterostomia Bilateria Animals Eukaryotes Life on Earth Other Terrestrial Vertebrates Amniota Solenodonsaurus janenschi Living Amphibians Seymouriamorpha...
Charales Under Construction Containing Groups Green plants Eukaryotes Life on Earth Other Green plants Zygnematales Charales Embryophytes Charales Richard M. McCourt Click on an image to view larger version & data in a new window This tree diagram shows the relationships between several groups of...