Coptothyris grayi (English spelling) Coptothyrisgrayi

Japanese: Coptothyris grayi（英語表記）Coptothyrisgrayi

… Since their appearance at the beginning of the Paleozoic Era, their structure has hardly changed, and they are called living fossils. There are about 250 extant species in the world, and about 70 species live in Japan, including the ground sparrow, the small night slug, Pictothyris picta , and the vertical striped night slug, Coptothyris grayi . Brachiopods [Minoru Imajima]. …

From 【Brachiopoda】

… As mentioned above, the living brachiopoda are divided into the subclass Inarticulata and the subclass Articulata. The former includes the green-spotted clam Lingula unguis and the anchor clam Craniscus japonicus , while the latter includes the striped clam Terebratulina japonica , the turtle clam Terebratalia coreanica , the striped clam Coptothyris grayi , the clam Laqueus rubellus , and the little clam Pictothyris picta . They live on the seabed at depths of 15 to 500 meters, attached to other objects. …

*Some of the terminology that mentions "Coptothyris grayi" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…　古生代の初めに出現してから現在までほとんど体制に変化がなく，〈生きている化石〉といわれている。　現生種は世界に約250種あり，ホオズキチョウチン，コカメガイPictothyris picta，タテスジホオズキガイCoptothyris grayiなど日本には70種ほどが生息する。腕足類【今島実】。…

【腕足類】より

…　現生の腕足綱は，前述のように無関節亜綱Inarticulataと有関節亜綱Articulataとに分けられる。前者にはミドリシャミセンガイLingula unguis，イカリチョウチンCraniscus japonicusなど，後者にはタテスジチョウチンガイTerebratulina japonica，カメホウズキチョウチンTerebratalia coreanica，タテスジホウズキガイCoptothyris grayi，ホウズキチョウチンLaqueus rubellus，コカメガイPictothyris pictaなどが知られている。水深15～500mの海底で他物に固着して生活している。…