Complex sentence: Most temnospondyls have tabular horns in the back of the skull, rounded projections of bone separated from the rest of the skull by indentations called otic notches; in some temnospondyls like "Zatrachys", they are pointed and very prominent.
Split into simpler sentences: Most temnospondyls have tabular horns in the back of the skull, rounded projections of bone separated from the rest of the skull by indentations called otic notches. In some temnospondyls like "Zatrachys", they are pointed and very prominent.