Discus catskillensis explained

Discus catskillensis, common name angular disc, is a species of small air-breathing land snail, a terrestrial gastropod mollusk in the family Discidae, the disk snails.^[1]

Notes and References

1. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=77397 "Discus catskillensis (Pilsbry, 1896)"