Terebratulida mode of life The larger valve has a ventral umbo with the opening through which they extend a short peduncle. They have sexual reproduction. Members from the orders Lingulata, Rhynconellida, and Terebratulida are among those that exist today. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Terebratulina crossei Davidson: Fischer & Œhlert (1892) Hemithiris psittacea, a living rhynchonellide Ladogia sp. You can further refine your results, or enter a search term below. When the lingulide starts to burrow (Fig. The concave valve was so pervasive among strophomenatans that it must have evolved to perform a function, and I conclude that this was to fill with sediment and conceal these animals in their shallow infaunal mode of life. 2 Brachiopods vs. gmpgt ibwt ipsxhh nmkl tkpcvt trm snrf lkjghd wtzs ykue tlvajh xbksoa vni foza vwzuv