|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Euomphalina - Elasmonematidae
It was reranked as Anematina by Knight et al. (1960), Sepkoski (2002) and Mazaev (2015).
It was assigned to Strophostylus by Knight (1933); to Archaeogastropoda by Sepkoski (2002); and to Elasmonematidae by Knight et al. (1960) and Mazaev (2015).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|J. B. Knight 1933||The species of this subgenus differ from those of the typical subgenus in that they consist of forms without ornamentation (or with revolving ornamentation on the base) and with very narrow umbilici.|
The provided text passage is a taxonomic description of a gastropod species, detailing its classification history and morphological characteristics. It does not contain any mathematical questions or answers.
no_question
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Euomphalina - Elasmonematidae
It was reranked as Anematina by Knight et al. (1960), Sepkoski (2002) and Mazaev (2015).
It was assigned to Strophostylus by Knight (1933); to Archaeogastropoda by Sepkoski (2002); and to Elasmonematidae by Knight et al. (1960) and Mazaev (2015).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|J. B. Knight 1933||The species of this subgenus differ from those of the typical subgenus in that they consist of forms without ornamentation (or with revolving ornamentation on the base) and with very narrow umbilici.|
user
The provided text passage is a taxonomic description of a gastropod species, detailing its classification history and morphological characteristics. It does not contain any mathematical questions or answers.

TYPE: NO_QUESTION